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<a href="a00482.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// class template regex -*- C++ -*-</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Copyright (C) 2010-2018 Free Software Foundation, Inc.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// This file is part of the GNU ISO C++ Library. This library is free</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// software; you can redistribute it and/or modify it under the</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// terms of the GNU General Public License as published by the</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Free Software Foundation; either version 3, or (at your option)</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// any later version.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// This library is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// GNU General Public License for more details.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// <http://www.gnu.org/licenses/>.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/**</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * @file bits/regex_constants.h</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * @brief Constant definitions for the std regex library.</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> *</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * This is an internal header file, included by other library headers.</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * Do not attempt to use it directly. @headername{regex}</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> */</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span><a class="code" href="a01541.html">std</a> _GLIBCXX_VISIBILITY(default)</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">/**</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * @defgroup regex Regular Expressions</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> *</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * A facility for performing regular expression pattern matching.</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> */</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"></span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">/**</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * @namespace std::regex_constants</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * @brief ISO C++-0x entities sub namespace for regex.</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> */</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">namespace </span>regex_constants</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> {<span class="comment"></span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> /**</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * @name 5.1 Regular Expression Syntax Options</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> */</span><span class="comment"></span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> //@{</span></div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="a01567.html#a7156b0c6206290633e6793d43a3d9c3d"> 54</a></span> <span class="comment"></span> <span class="keyword">enum</span> <a class="code" href="a01567.html#a7156b0c6206290633e6793d43a3d9c3d">__syntax_option</a></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  _S_icase,</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  _S_nosubs,</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  _S_optimize,</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  _S_collate,</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  _S_ECMAScript,</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  _S_basic,</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  _S_extended,</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  _S_awk,</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  _S_grep,</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  _S_egrep,</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  _S_polynomial,</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  _S_syntax_last</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  };</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"></span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> /**</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"> * @brief This is a bitmask type indicating how to interpret the regex.</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment"> *</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> * The @c syntax_option_type is implementation defined but it is valid to</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> * perform bitwise operations on these values and expect the right thing to</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"> * happen.</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> *</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> * A valid value of type syntax_option_type shall have exactly one of the</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> * elements @c ECMAScript, @c basic, @c extended, @c awk, @c grep, @c egrep</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> * %set.</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> */</span></div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="a01567.html#a510caedb3e640b81620023a85c1280bb"> 81</a></span>  <span class="keyword">enum</span> <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> : <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> { };</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"></span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> /**</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> * Specifies that the matching of regular expressions against a character</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"> * sequence shall be performed without regard to case.</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> */</span></div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="a01567.html#a21c1f7289167aa3d0a40b24e39a80f00"> 87</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> <a class="code" href="a01567.html#a21c1f7289167aa3d0a40b24e39a80f00">icase</a> =</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  static_cast<syntax_option_type>(1 << _S_icase);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"></span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"> /**</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"> * Specifies that when a regular expression is matched against a character</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"> * container sequence, no sub-expression matches are to be stored in the</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"> * supplied match_results structure.</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"> */</span></div><div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="a01567.html#a29777ae2dd2358f4faf29cb604c3fb85"> 95</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> <a class="code" href="a01567.html#a29777ae2dd2358f4faf29cb604c3fb85">nosubs</a> =</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  static_cast<syntax_option_type>(1 << _S_nosubs);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment"></span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"> /**</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"> * Specifies that the regular expression engine should pay more attention to</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"> * the speed with which regular expressions are matched, and less to the</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"> * speed with which regular expression objects are constructed. Otherwise</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> * it has no detectable effect on the program output.</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> */</span></div><div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="a01567.html#a77f83de09c72048a75a66344f0bfb2f3"> 104</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> <a class="code" href="a01567.html#a77f83de09c72048a75a66344f0bfb2f3">optimize</a> =</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  static_cast<syntax_option_type>(1 << _S_optimize);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"></span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> /**</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"> * Specifies that character ranges of the form [a-b] should be locale</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"> * sensitive.</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"> */</span></div><div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="a01567.html#a9a757dec2b2f903771da2427c292804a"> 111</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> <a class="code" href="a05835.html">collate</a> =</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  static_cast<syntax_option_type>(1 << _S_collate);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment"></span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"> /**</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment"> * Specifies that the grammar recognized by the regular expression engine is</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"> * that used by ECMAScript in ECMA-262 [Ecma International, ECMAScript</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> * Language Specification, Standard Ecma-262, third edition, 1999], as</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"> * modified in section [28.13]. This grammar is similar to that defined</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"> * in the PERL scripting language but extended with elements found in the</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment"> * POSIX regular expression grammar.</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> */</span></div><div class="line"><a name="l00122"></a><span class="lineno"><a class="line" href="a01567.html#af95882ac8ac4454e386d29f45ea5bbbf"> 122</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> <a class="code" href="a01567.html#af95882ac8ac4454e386d29f45ea5bbbf">ECMAScript</a> =</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  static_cast<syntax_option_type>(1 << _S_ECMAScript);</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"></span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment"> /**</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment"> * Specifies that the grammar recognized by the regular expression engine is</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment"> * that used by POSIX basic regular expressions in IEEE Std 1003.1-2001,</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment"> * Portable Operating System Interface (POSIX), Base Definitions and</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"> * Headers, Section 9, Regular Expressions [IEEE, Information Technology --</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment"> * Portable Operating System Interface (POSIX), IEEE Standard 1003.1-2001].</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> */</span></div><div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="a01567.html#a195f47d5fe8ab2a35c240cf7cb012b88"> 132</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> <a class="code" href="a01567.html#a195f47d5fe8ab2a35c240cf7cb012b88">basic</a> =</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  static_cast<syntax_option_type>(1 << _S_basic);</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"></span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"> /**</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"> * Specifies that the grammar recognized by the regular expression engine is</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment"> * that used by POSIX extended regular expressions in IEEE Std 1003.1-2001,</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"> * Portable Operating System Interface (POSIX), Base Definitions and</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> * Headers, Section 9, Regular Expressions.</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"> */</span></div><div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="a01567.html#af6c55a7ee994437667dd9b8b5a0580e0"> 141</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> <a class="code" href="a01567.html#af6c55a7ee994437667dd9b8b5a0580e0">extended</a> =</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  static_cast<syntax_option_type>(1 << _S_extended);</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"></span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"> /**</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"> * Specifies that the grammar recognized by the regular expression engine is</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"> * that used by POSIX utility awk in IEEE Std 1003.1-2001. This option is</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> * identical to syntax_option_type extended, except that C-style escape</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> * sequences are supported. These sequences are:</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> * \\\\, \\a, \\b, \\f, \\n, \\r, \\t , \\v, \\&apos,, &apos,,</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> * and \\ddd (where ddd is one, two, or three octal digits).</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> */</span></div><div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="a01567.html#a1de0f54830ba2d86ca5244f8609fef2c"> 152</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> <a class="code" href="a01567.html#a1de0f54830ba2d86ca5244f8609fef2c">awk</a> =</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  static_cast<syntax_option_type>(1 << _S_awk);</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"></span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"> /**</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment"> * Specifies that the grammar recognized by the regular expression engine is</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment"> * that used by POSIX utility grep in IEEE Std 1003.1-2001. This option is</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"> * identical to syntax_option_type basic, except that newlines are treated</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> * as whitespace.</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> */</span></div><div class="line"><a name="l00161"></a><span class="lineno"><a class="line" href="a01567.html#afa201fcaeca378cea22d0cb2a27dd87f"> 161</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> <a class="code" href="a01567.html#afa201fcaeca378cea22d0cb2a27dd87f">grep</a> =</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  static_cast<syntax_option_type>(1 << _S_grep);</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment"></span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment"> /**</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment"> * Specifies that the grammar recognized by the regular expression engine is</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment"> * that used by POSIX utility grep when given the -E option in</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment"> * IEEE Std 1003.1-2001. This option is identical to syntax_option_type</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment"> * extended, except that newlines are treated as whitespace.</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment"> */</span></div><div class="line"><a name="l00170"></a><span class="lineno"><a class="line" href="a01567.html#a20359992d27c0743cae90e4bae7f8129"> 170</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> <a class="code" href="a01567.html#a20359992d27c0743cae90e4bae7f8129">egrep</a> =</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  static_cast<syntax_option_type>(1 << _S_egrep);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment"></span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"> /**</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment"> * Extension: Ensure both space complexity of compiled regex and</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"> * time complexity execution are not exponential.</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"> * If specified in a regex with back-references, the exception</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment"> * regex_constants::error_complexity will be thrown.</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment"> */</span></div><div class="line"><a name="l00179"></a><span class="lineno"><a class="line" href="a01567.html#a5beb02024da71cad08b124851240493a"> 179</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> <a class="code" href="a01567.html#a5beb02024da71cad08b124851240493a">__polynomial</a> =</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  static_cast<syntax_option_type>(1 << _S_polynomial);</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  constexpr <span class="keyword">inline</span> <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a></div><div class="line"><a name="l00183"></a><span class="lineno"><a class="line" href="a01567.html#a0eeb348981b9790a4f1fd9691e54953e"> 183</a></span>  <a class="code" href="a01567.html#a0eeb348981b9790a4f1fd9691e54953e">operator&</a>(<a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> __a, <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> __b)</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  {</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">return</span> (<a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a>)(static_cast<unsigned int>(__a)</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  & static_cast<unsigned int>(__b));</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  constexpr <span class="keyword">inline</span> <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a></div><div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="a01567.html#aed34b3d93916973cfea2af94c22ac505"> 190</a></span>  <a class="code" href="a01567.html#aed34b3d93916973cfea2af94c22ac505">operator|</a>(<a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> __a, <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> __b)</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  {</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">return</span> (<a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a>)(static_cast<unsigned int>(__a)</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  | static_cast<unsigned int>(__b));</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  constexpr <span class="keyword">inline</span> <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a></div><div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="a01567.html#a99429d2419718d6f9cf98153cb104a57"> 197</a></span>  <a class="code" href="a01567.html#a99429d2419718d6f9cf98153cb104a57">operator^</a>(<a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> __a, <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> __b)</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  {</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">return</span> (<a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a>)(static_cast<unsigned int>(__a)</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  ^ static_cast<unsigned int>(__b));</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  }</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  constexpr <span class="keyword">inline</span> <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a></div><div class="line"><a name="l00204"></a><span class="lineno"><a class="line" href="a01567.html#ad3de70b7c5c74267276903c86628e239"> 204</a></span>  <a class="code" href="a01567.html#ad3de70b7c5c74267276903c86628e239">operator~</a>(<a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> __a)</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  { <span class="keywordflow">return</span> (<a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a>)(~static_cast<unsigned int>(__a)); }</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">inline</span> <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a>&</div><div class="line"><a name="l00208"></a><span class="lineno"><a class="line" href="a01567.html#ad345f99a1539836553ab17d054ba623b"> 208</a></span>  <a class="code" href="a01567.html#ad345f99a1539836553ab17d054ba623b">operator&=</a>(<a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a>& __a, <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> __b)</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  { <span class="keywordflow">return</span> __a = __a & __b; }</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">inline</span> <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a>&</div><div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="a01567.html#a4bd5dcfb1f0eead5b8f66233f45638f4"> 212</a></span>  <a class="code" href="a01567.html#a4bd5dcfb1f0eead5b8f66233f45638f4">operator|=</a>(<a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a>& __a, <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> __b)</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  { <span class="keywordflow">return</span> __a = __a | __b; }</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">inline</span> <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a>&</div><div class="line"><a name="l00216"></a><span class="lineno"><a class="line" href="a01567.html#a782f3bd1b71adf5bc9f337b74ccb169d"> 216</a></span>  <a class="code" href="a01567.html#a782f3bd1b71adf5bc9f337b74ccb169d">operator^=</a>(<a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a>& __a, <a class="code" href="a01567.html#a510caedb3e640b81620023a85c1280bb">syntax_option_type</a> __b)</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  { <span class="keywordflow">return</span> __a = __a ^ __b; }</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment"></span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment"> //@}</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment"></span><span class="comment"></span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment"> /**</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="comment"> * @name 5.2 Matching Rules</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment"> *</span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment"> * Matching a regular expression against a sequence of characters [first,</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment"> * last) proceeds according to the rules of the grammar specified for the</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment"> * regular expression object, modified according to the effects listed</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment"> * below for any bitmask elements set.</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment"> *</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"> */</span><span class="comment"></span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment"> //@{</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment"></span></div><div class="line"><a name="l00232"></a><span class="lineno"><a class="line" href="a01567.html#a37dcdeaf2d2a34d88f1ec2defc7ba041"> 232</a></span>  <span class="keyword">enum</span> <a class="code" href="a01567.html#a37dcdeaf2d2a34d88f1ec2defc7ba041">__match_flag</a></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  {</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  _S_not_bol,</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  _S_not_eol,</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  _S_not_bow,</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  _S_not_eow,</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  _S_any,</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  _S_not_null,</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  _S_continuous,</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  _S_prev_avail,</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  _S_sed,</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  _S_no_copy,</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  _S_first_only,</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  _S_match_flag_last</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  };</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"></span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> /**</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> * @brief This is a bitmask type indicating regex matching rules.</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> *</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> * The @c match_flag_type is implementation defined but it is valid to</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"> * perform bitwise operations on these values and expect the right thing to</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> * happen.</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> */</span></div><div class="line"><a name="l00255"></a><span class="lineno"><a class="line" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c"> 255</a></span>  <span class="keyword">enum</span> <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> : <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> { };</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment"></span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> /**</span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> * The default matching rules.</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"> */</span></div><div class="line"><a name="l00260"></a><span class="lineno"><a class="line" href="a01567.html#ac070d8adb9f48dcfad7f69f4f2373708"> 260</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> <a class="code" href="a01567.html#ac070d8adb9f48dcfad7f69f4f2373708">match_default</a> =</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  static_cast<match_flag_type>(0);</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"></span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment"> /**</span></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"> * The first character in the sequence [first, last) is treated as though it</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> * is not at the beginning of a line, so the character (^) in the regular</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"> * expression shall not match [first, first).</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> */</span></div><div class="line"><a name="l00268"></a><span class="lineno"><a class="line" href="a01567.html#af0a051640e6d5b7be783ecef1bd6057c"> 268</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> <a class="code" href="a01567.html#af0a051640e6d5b7be783ecef1bd6057c">match_not_bol</a> =</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  static_cast<match_flag_type>(1 << _S_not_bol);</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment"></span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment"> /**</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment"> * The last character in the sequence [first, last) is treated as though it</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment"> * is not at the end of a line, so the character ($) in the regular</span></div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="comment"> * expression shall not match [last, last).</span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="comment"> */</span></div><div class="line"><a name="l00276"></a><span class="lineno"><a class="line" href="a01567.html#a2fa4bcec54ff420f477a7bbfe6f9925b"> 276</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> <a class="code" href="a01567.html#a2fa4bcec54ff420f477a7bbfe6f9925b">match_not_eol</a> =</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  static_cast<match_flag_type>(1 << _S_not_eol);</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"></span></div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"> /**</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment"> * The expression \\b is not matched against the sub-sequence</span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment"> * [first,first).</span></div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment"> */</span></div><div class="line"><a name="l00283"></a><span class="lineno"><a class="line" href="a01567.html#ae61a11ae1d6998a161bdbb50c63dd0e2"> 283</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> <a class="code" href="a01567.html#ae61a11ae1d6998a161bdbb50c63dd0e2">match_not_bow</a> =</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  static_cast<match_flag_type>(1 << _S_not_bow);</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="comment"></span></div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="comment"> /**</span></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="comment"> * The expression \\b should not be matched against the sub-sequence</span></div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment"> * [last,last).</span></div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="comment"> */</span></div><div class="line"><a name="l00290"></a><span class="lineno"><a class="line" href="a01567.html#a7e422c4098322e3bf17eafd35fc16c7e"> 290</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> <a class="code" href="a01567.html#a7e422c4098322e3bf17eafd35fc16c7e">match_not_eow</a> =</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  static_cast<match_flag_type>(1 << _S_not_eow);</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"></span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment"> /**</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment"> * If more than one match is possible then any match is an acceptable</span></div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment"> * result.</span></div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment"> */</span></div><div class="line"><a name="l00297"></a><span class="lineno"><a class="line" href="a01567.html#af78cac45372ace2e9fdd8bcf7eb27399"> 297</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> <a class="code" href="a01567.html#af78cac45372ace2e9fdd8bcf7eb27399">match_any</a> =</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  static_cast<match_flag_type>(1 << _S_any);</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment"></span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"> /**</span></div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment"> * The expression does not match an empty sequence.</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment"> */</span></div><div class="line"><a name="l00303"></a><span class="lineno"><a class="line" href="a01567.html#aa135ecb11f0299ff447a7133a91d73e3"> 303</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> <a class="code" href="a01567.html#aa135ecb11f0299ff447a7133a91d73e3">match_not_null</a> =</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  static_cast<match_flag_type>(1 << _S_not_null);</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="comment"></span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="comment"> /**</span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="comment"> * The expression only matches a sub-sequence that begins at first .</span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="comment"> */</span></div><div class="line"><a name="l00309"></a><span class="lineno"><a class="line" href="a01567.html#a372e043458fd815d130056e1225a00a5"> 309</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> <a class="code" href="a01567.html#a372e043458fd815d130056e1225a00a5">match_continuous</a> =</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  static_cast<match_flag_type>(1 << _S_continuous);</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment"></span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> /**</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment"> * --first is a valid iterator position. When this flag is set then the</span></div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="comment"> * flags match_not_bol and match_not_bow are ignored by the regular</span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="comment"> * expression algorithms 28.11 and iterators 28.12.</span></div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="comment"> */</span></div><div class="line"><a name="l00317"></a><span class="lineno"><a class="line" href="a01567.html#ad48b9cdb07f0c311ec5ffeb093c209d5"> 317</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> <a class="code" href="a01567.html#ad48b9cdb07f0c311ec5ffeb093c209d5">match_prev_avail</a> =</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  static_cast<match_flag_type>(1 << _S_prev_avail);</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="comment"></span></div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="comment"> /**</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="comment"> * When a regular expression match is to be replaced by a new string, the</span></div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="comment"> * new string is constructed using the rules used by the ECMAScript replace</span></div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="comment"> * function in ECMA- 262 [Ecma International, ECMAScript Language</span></div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="comment"> * Specification, Standard Ecma-262, third edition, 1999], part 15.5.4.11</span></div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment"> * String.prototype.replace. In addition, during search and replace</span></div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment"> * operations all non-overlapping occurrences of the regular expression</span></div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="comment"> * are located and replaced, and sections of the input that did not match</span></div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="comment"> * the expression are copied unchanged to the output string.</span></div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment"> *</span></div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment"> * Format strings (from ECMA-262 [15.5.4.11]):</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="comment"> * @li $$ The dollar-sign itself ($)</span></div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="comment"> * @li $& The matched substring.</span></div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="comment"> * @li $` The portion of @a string that precedes the matched substring.</span></div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="comment"> * This would be match_results::prefix().</span></div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment"> * @li $' The portion of @a string that follows the matched substring.</span></div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="comment"> * This would be match_results::suffix().</span></div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="comment"> * @li $n The nth capture, where n is in [1,9] and $n is not followed by a</span></div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="comment"> * decimal digit. If n <= match_results::size() and the nth capture</span></div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment"> * is undefined, use the empty string instead. If n ></span></div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment"> * match_results::size(), the result is implementation-defined.</span></div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"> * @li $nn The nnth capture, where nn is a two-digit decimal number on</span></div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment"> * [01, 99]. If nn <= match_results::size() and the nth capture is</span></div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="comment"> * undefined, use the empty string instead. If</span></div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment"> * nn > match_results::size(), the result is implementation-defined.</span></div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment"> */</span></div><div class="line"><a name="l00346"></a><span class="lineno"><a class="line" href="a01567.html#ae8280c4746ec140dd2ad2106cbf787ad"> 346</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> <a class="code" href="a01567.html#ae8280c4746ec140dd2ad2106cbf787ad">format_default</a> =</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  static_cast<match_flag_type>(0);</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="comment"></span></div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="comment"> /**</span></div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="comment"> * When a regular expression match is to be replaced by a new string, the</span></div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="comment"> * new string is constructed using the rules used by the POSIX sed utility</span></div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="comment"> * in IEEE Std 1003.1- 2001 [IEEE, Information Technology -- Portable</span></div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="comment"> * Operating System Interface (POSIX), IEEE Standard 1003.1-2001].</span></div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="comment"> */</span></div><div class="line"><a name="l00355"></a><span class="lineno"><a class="line" href="a01567.html#a3553e3ac3560a881732c367dcf567549"> 355</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> <a class="code" href="a01567.html#a3553e3ac3560a881732c367dcf567549">format_sed</a> =</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  static_cast<match_flag_type>(1 << _S_sed);</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="comment"></span></div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="comment"> /**</span></div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="comment"> * During a search and replace operation, sections of the character</span></div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="comment"> * container sequence being searched that do not match the regular</span></div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="comment"> * expression shall not be copied to the output string.</span></div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="comment"> */</span></div><div class="line"><a name="l00363"></a><span class="lineno"><a class="line" href="a01567.html#a65253b87e3f2138870e2d827ea5b4ea9"> 363</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> <a class="code" href="a01567.html#a65253b87e3f2138870e2d827ea5b4ea9">format_no_copy</a> =</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  static_cast<match_flag_type>(1 << _S_no_copy);</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="comment"></span></div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="comment"> /**</span></div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="comment"> * When specified during a search and replace operation, only the first</span></div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="comment"> * occurrence of the regular expression shall be replaced.</span></div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="comment"> */</span></div><div class="line"><a name="l00370"></a><span class="lineno"><a class="line" href="a01567.html#a0fc5b8b99c305b71cd713055afc983f9"> 370</a></span>  _GLIBCXX17_INLINE constexpr <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> <a class="code" href="a01567.html#a0fc5b8b99c305b71cd713055afc983f9">format_first_only</a> =</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  static_cast<match_flag_type>(1 << _S_first_only);</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span> </div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  constexpr <span class="keyword">inline</span> <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a></div><div class="line"><a name="l00374"></a><span class="lineno"><a class="line" href="a01567.html#a58aa59015163e03b960f295b9f2f0a37"> 374</a></span>  <a class="code" href="a01567.html#a0eeb348981b9790a4f1fd9691e54953e">operator&</a>(<a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> __a, <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> __b)</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  {</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">return</span> (<a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a>)(static_cast<unsigned int>(__a)</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  & static_cast<unsigned int>(__b));</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  }</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span> </div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  constexpr <span class="keyword">inline</span> <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a></div><div class="line"><a name="l00381"></a><span class="lineno"><a class="line" href="a01567.html#a510d0810f0fe55a65a1f3ad142e95e2c"> 381</a></span>  <a class="code" href="a01567.html#aed34b3d93916973cfea2af94c22ac505">operator|</a>(<a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> __a, <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> __b)</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  {</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">return</span> (<a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a>)(static_cast<unsigned int>(__a)</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  | static_cast<unsigned int>(__b));</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  }</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> </div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  constexpr <span class="keyword">inline</span> <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a></div><div class="line"><a name="l00388"></a><span class="lineno"><a class="line" href="a01567.html#ac6b912c67d2cdd494a770cd23c1b4f98"> 388</a></span>  <a class="code" href="a01567.html#a99429d2419718d6f9cf98153cb104a57">operator^</a>(<a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> __a, <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> __b)</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  {</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">return</span> (<a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a>)(static_cast<unsigned int>(__a)</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  ^ static_cast<unsigned int>(__b));</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  }</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span> </div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  constexpr <span class="keyword">inline</span> <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a></div><div class="line"><a name="l00395"></a><span class="lineno"><a class="line" href="a01567.html#a2aeb16521b6691e19cb344505b084271"> 395</a></span>  <a class="code" href="a01567.html#ad3de70b7c5c74267276903c86628e239">operator~</a>(<a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> __a)</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  { <span class="keywordflow">return</span> (<a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a>)(~static_cast<unsigned int>(__a)); }</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span> </div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keyword">inline</span> <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a>&</div><div class="line"><a name="l00399"></a><span class="lineno"><a class="line" href="a01567.html#a6a9ccecd9a407e2f0dad9bee226c4e03"> 399</a></span>  <a class="code" href="a01567.html#ad345f99a1539836553ab17d054ba623b">operator&=</a>(<a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a>& __a, <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> __b)</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  { <span class="keywordflow">return</span> __a = __a & __b; }</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span> </div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keyword">inline</span> <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a>&</div><div class="line"><a name="l00403"></a><span class="lineno"><a class="line" href="a01567.html#a1cc70d79ada227928c10a6ae955a5527"> 403</a></span>  <a class="code" href="a01567.html#a4bd5dcfb1f0eead5b8f66233f45638f4">operator|=</a>(<a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a>& __a, <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> __b)</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  { <span class="keywordflow">return</span> __a = __a | __b; }</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> </div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keyword">inline</span> <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a>&</div><div class="line"><a name="l00407"></a><span class="lineno"><a class="line" href="a01567.html#a6edeffe99c8db99f7d365da413e65c34"> 407</a></span>  <a class="code" href="a01567.html#a782f3bd1b71adf5bc9f337b74ccb169d">operator^=</a>(<a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a>& __a, <a class="code" href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">match_flag_type</a> __b)</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  { <span class="keywordflow">return</span> __a = __a ^ __b; }</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="comment"></span></div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="comment"> //@}</span></div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="comment"></span>} <span class="comment">// namespace regex_constants</span></div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="comment">/* @} */</span> <span class="comment">// group regex</span></div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span> </div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span> _GLIBCXX_END_NAMESPACE_VERSION</div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span> } <span class="comment">// namespace std</span></div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span> </div><div class="ttc" id="a01567_html_a0eeb348981b9790a4f1fd9691e54953e"><div class="ttname"><a href="a01567.html#a0eeb348981b9790a4f1fd9691e54953e">std::regex_constants::operator&</a></div><div class="ttdeci">constexpr syntax_option_type operator&(syntax_option_type __a, syntax_option_type __b)</div><div class="ttdoc">This is a bitmask type indicating how to interpret the regex.</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00183">regex_constants.h:183</a></div></div>
<div class="ttc" id="a01567_html_a3553e3ac3560a881732c367dcf567549"><div class="ttname"><a href="a01567.html#a3553e3ac3560a881732c367dcf567549">std::regex_constants::format_sed</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr match_flag_type format_sed</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00355">regex_constants.h:355</a></div></div>
<div class="ttc" id="a05835_html"><div class="ttname"><a href="a05835.html">std::collate</a></div><div class="ttdoc">Facet for localized string comparison.</div><div class="ttdef"><b>Definition:</b> <a href="a00392_source.html#l00642">locale_classes.h:642</a></div></div>
<div class="ttc" id="a01567_html_af78cac45372ace2e9fdd8bcf7eb27399"><div class="ttname"><a href="a01567.html#af78cac45372ace2e9fdd8bcf7eb27399">std::regex_constants::match_any</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr match_flag_type match_any</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00297">regex_constants.h:297</a></div></div>
<div class="ttc" id="a01567_html_a99429d2419718d6f9cf98153cb104a57"><div class="ttname"><a href="a01567.html#a99429d2419718d6f9cf98153cb104a57">std::regex_constants::operator^</a></div><div class="ttdeci">constexpr syntax_option_type operator^(syntax_option_type __a, syntax_option_type __b)</div><div class="ttdoc">This is a bitmask type indicating how to interpret the regex.</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00197">regex_constants.h:197</a></div></div>
<div class="ttc" id="a01567_html_a21c1f7289167aa3d0a40b24e39a80f00"><div class="ttname"><a href="a01567.html#a21c1f7289167aa3d0a40b24e39a80f00">std::regex_constants::icase</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type icase</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00087">regex_constants.h:87</a></div></div>
<div class="ttc" id="a01567_html_a782f3bd1b71adf5bc9f337b74ccb169d"><div class="ttname"><a href="a01567.html#a782f3bd1b71adf5bc9f337b74ccb169d">std::regex_constants::operator^=</a></div><div class="ttdeci">syntax_option_type & operator^=(syntax_option_type &__a, syntax_option_type __b)</div><div class="ttdoc">This is a bitmask type indicating how to interpret the regex.</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00216">regex_constants.h:216</a></div></div>
<div class="ttc" id="a01567_html_ad345f99a1539836553ab17d054ba623b"><div class="ttname"><a href="a01567.html#ad345f99a1539836553ab17d054ba623b">std::regex_constants::operator&=</a></div><div class="ttdeci">syntax_option_type & operator&=(syntax_option_type &__a, syntax_option_type __b)</div><div class="ttdoc">This is a bitmask type indicating how to interpret the regex.</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00208">regex_constants.h:208</a></div></div>
<div class="ttc" id="a01567_html_af0a051640e6d5b7be783ecef1bd6057c"><div class="ttname"><a href="a01567.html#af0a051640e6d5b7be783ecef1bd6057c">std::regex_constants::match_not_bol</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr match_flag_type match_not_bol</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00268">regex_constants.h:268</a></div></div>
<div class="ttc" id="a01567_html_a29777ae2dd2358f4faf29cb604c3fb85"><div class="ttname"><a href="a01567.html#a29777ae2dd2358f4faf29cb604c3fb85">std::regex_constants::nosubs</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type nosubs</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00095">regex_constants.h:95</a></div></div>
<div class="ttc" id="a01567_html_a510caedb3e640b81620023a85c1280bb"><div class="ttname"><a href="a01567.html#a510caedb3e640b81620023a85c1280bb">std::regex_constants::syntax_option_type</a></div><div class="ttdeci">syntax_option_type</div><div class="ttdoc">This is a bitmask type indicating how to interpret the regex.</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00081">regex_constants.h:81</a></div></div>
<div class="ttc" id="a01567_html_ae8280c4746ec140dd2ad2106cbf787ad"><div class="ttname"><a href="a01567.html#ae8280c4746ec140dd2ad2106cbf787ad">std::regex_constants::format_default</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr match_flag_type format_default</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00346">regex_constants.h:346</a></div></div>
<div class="ttc" id="a01567_html_af95882ac8ac4454e386d29f45ea5bbbf"><div class="ttname"><a href="a01567.html#af95882ac8ac4454e386d29f45ea5bbbf">std::regex_constants::ECMAScript</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type ECMAScript</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00122">regex_constants.h:122</a></div></div>
<div class="ttc" id="a01567_html_ac070d8adb9f48dcfad7f69f4f2373708"><div class="ttname"><a href="a01567.html#ac070d8adb9f48dcfad7f69f4f2373708">std::regex_constants::match_default</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr match_flag_type match_default</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00260">regex_constants.h:260</a></div></div>
<div class="ttc" id="a01567_html_aaa717c7c94d1075dfb06f79feb4ca11c"><div class="ttname"><a href="a01567.html#aaa717c7c94d1075dfb06f79feb4ca11c">std::regex_constants::match_flag_type</a></div><div class="ttdeci">match_flag_type</div><div class="ttdoc">This is a bitmask type indicating regex matching rules.</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00255">regex_constants.h:255</a></div></div>
<div class="ttc" id="a01567_html_a77f83de09c72048a75a66344f0bfb2f3"><div class="ttname"><a href="a01567.html#a77f83de09c72048a75a66344f0bfb2f3">std::regex_constants::optimize</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type optimize</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00104">regex_constants.h:104</a></div></div>
<div class="ttc" id="a01541_html"><div class="ttname"><a href="a01541.html">std</a></div><div class="ttdoc">ISO C++ entities toplevel namespace is std.</div></div>
<div class="ttc" id="a01567_html_a65253b87e3f2138870e2d827ea5b4ea9"><div class="ttname"><a href="a01567.html#a65253b87e3f2138870e2d827ea5b4ea9">std::regex_constants::format_no_copy</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr match_flag_type format_no_copy</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00363">regex_constants.h:363</a></div></div>
<div class="ttc" id="a01567_html_a7e422c4098322e3bf17eafd35fc16c7e"><div class="ttname"><a href="a01567.html#a7e422c4098322e3bf17eafd35fc16c7e">std::regex_constants::match_not_eow</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr match_flag_type match_not_eow</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00290">regex_constants.h:290</a></div></div>
<div class="ttc" id="a01567_html_af6c55a7ee994437667dd9b8b5a0580e0"><div class="ttname"><a href="a01567.html#af6c55a7ee994437667dd9b8b5a0580e0">std::regex_constants::extended</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type extended</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00141">regex_constants.h:141</a></div></div>
<div class="ttc" id="a01567_html_ae61a11ae1d6998a161bdbb50c63dd0e2"><div class="ttname"><a href="a01567.html#ae61a11ae1d6998a161bdbb50c63dd0e2">std::regex_constants::match_not_bow</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr match_flag_type match_not_bow</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00283">regex_constants.h:283</a></div></div>
<div class="ttc" id="a01567_html_a0fc5b8b99c305b71cd713055afc983f9"><div class="ttname"><a href="a01567.html#a0fc5b8b99c305b71cd713055afc983f9">std::regex_constants::format_first_only</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr match_flag_type format_first_only</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00370">regex_constants.h:370</a></div></div>
<div class="ttc" id="a01567_html_a1de0f54830ba2d86ca5244f8609fef2c"><div class="ttname"><a href="a01567.html#a1de0f54830ba2d86ca5244f8609fef2c">std::regex_constants::awk</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type awk</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00152">regex_constants.h:152</a></div></div>
<div class="ttc" id="a01567_html_a4bd5dcfb1f0eead5b8f66233f45638f4"><div class="ttname"><a href="a01567.html#a4bd5dcfb1f0eead5b8f66233f45638f4">std::regex_constants::operator|=</a></div><div class="ttdeci">syntax_option_type & operator|=(syntax_option_type &__a, syntax_option_type __b)</div><div class="ttdoc">This is a bitmask type indicating how to interpret the regex.</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00212">regex_constants.h:212</a></div></div>
<div class="ttc" id="a01567_html_ad3de70b7c5c74267276903c86628e239"><div class="ttname"><a href="a01567.html#ad3de70b7c5c74267276903c86628e239">std::regex_constants::operator~</a></div><div class="ttdeci">constexpr syntax_option_type operator~(syntax_option_type __a)</div><div class="ttdoc">This is a bitmask type indicating how to interpret the regex.</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00204">regex_constants.h:204</a></div></div>
<div class="ttc" id="a01567_html_a7156b0c6206290633e6793d43a3d9c3d"><div class="ttname"><a href="a01567.html#a7156b0c6206290633e6793d43a3d9c3d">std::regex_constants::__syntax_option</a></div><div class="ttdeci">__syntax_option</div><div class="ttdoc">This is a bitmask type indicating how to interpret the regex.</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00054">regex_constants.h:54</a></div></div>
<div class="ttc" id="a01567_html_afa201fcaeca378cea22d0cb2a27dd87f"><div class="ttname"><a href="a01567.html#afa201fcaeca378cea22d0cb2a27dd87f">std::regex_constants::grep</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type grep</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00161">regex_constants.h:161</a></div></div>
<div class="ttc" id="a01567_html_a20359992d27c0743cae90e4bae7f8129"><div class="ttname"><a href="a01567.html#a20359992d27c0743cae90e4bae7f8129">std::regex_constants::egrep</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type egrep</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00170">regex_constants.h:170</a></div></div>
<div class="ttc" id="a01567_html_a372e043458fd815d130056e1225a00a5"><div class="ttname"><a href="a01567.html#a372e043458fd815d130056e1225a00a5">std::regex_constants::match_continuous</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr match_flag_type match_continuous</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00309">regex_constants.h:309</a></div></div>
<div class="ttc" id="a01567_html_a37dcdeaf2d2a34d88f1ec2defc7ba041"><div class="ttname"><a href="a01567.html#a37dcdeaf2d2a34d88f1ec2defc7ba041">std::regex_constants::__match_flag</a></div><div class="ttdeci">__match_flag</div><div class="ttdoc">This is a bitmask type indicating regex matching rules.</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00232">regex_constants.h:232</a></div></div>
<div class="ttc" id="a01567_html_a195f47d5fe8ab2a35c240cf7cb012b88"><div class="ttname"><a href="a01567.html#a195f47d5fe8ab2a35c240cf7cb012b88">std::regex_constants::basic</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type basic</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00132">regex_constants.h:132</a></div></div>
<div class="ttc" id="a01567_html_ad48b9cdb07f0c311ec5ffeb093c209d5"><div class="ttname"><a href="a01567.html#ad48b9cdb07f0c311ec5ffeb093c209d5">std::regex_constants::match_prev_avail</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr match_flag_type match_prev_avail</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00317">regex_constants.h:317</a></div></div>
<div class="ttc" id="a01567_html_aed34b3d93916973cfea2af94c22ac505"><div class="ttname"><a href="a01567.html#aed34b3d93916973cfea2af94c22ac505">std::regex_constants::operator|</a></div><div class="ttdeci">constexpr syntax_option_type operator|(syntax_option_type __a, syntax_option_type __b)</div><div class="ttdoc">This is a bitmask type indicating how to interpret the regex.</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00190">regex_constants.h:190</a></div></div>
<div class="ttc" id="a01567_html_a5beb02024da71cad08b124851240493a"><div class="ttname"><a href="a01567.html#a5beb02024da71cad08b124851240493a">std::regex_constants::__polynomial</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type __polynomial</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00179">regex_constants.h:179</a></div></div>
<div class="ttc" id="a01567_html_a2fa4bcec54ff420f477a7bbfe6f9925b"><div class="ttname"><a href="a01567.html#a2fa4bcec54ff420f477a7bbfe6f9925b">std::regex_constants::match_not_eol</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr match_flag_type match_not_eol</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00276">regex_constants.h:276</a></div></div>
<div class="ttc" id="a01567_html_aa135ecb11f0299ff447a7133a91d73e3"><div class="ttname"><a href="a01567.html#aa135ecb11f0299ff447a7133a91d73e3">std::regex_constants::match_not_null</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr match_flag_type match_not_null</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00303">regex_constants.h:303</a></div></div>
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