<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.13"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>libstdc++: regex_constants.h File Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="doxygen.css" 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</div><!--header--> <div class="contents"> <p><a href="a00449_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="namespaces"></a> Namespaces</h2></td></tr> <tr class="memitem:a01487"><td class="memItemLeft" align="right" valign="top">  </td><td class="memItemRight" valign="bottom"><a class="el" href="a01487.html">std</a></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a01511"><td class="memItemLeft" align="right" valign="top">  </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html">std::regex_constants</a></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a> 5.1 Regular Expression Syntax Options</h2></td></tr> <tr class="memitem:a7156b0c6206290633e6793d43a3d9c3d"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a7156b0c6206290633e6793d43a3d9c3d">std::regex_constants::__syntax_option</a> { <br />   <b>_S_icase</b>, <b>_S_nosubs</b>, <b>_S_optimize</b>, <b>_S_collate</b>, <br />   <b>_S_ECMAScript</b>, <b>_S_basic</b>, <b>_S_extended</b>, <b>_S_awk</b>, <br />   <b>_S_grep</b>, <b>_S_egrep</b>, <b>_S_syntax_last</b> <br /> }</td></tr> <tr class="separator:a7156b0c6206290633e6793d43a3d9c3d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a510caedb3e640b81620023a85c1280bb"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a510caedb3e640b81620023a85c1280bb">std::regex_constants::syntax_option_type</a> : unsigned int </td></tr> <tr class="separator:a510caedb3e640b81620023a85c1280bb"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:abdc0c254047958096e4a15d438450286"><td class="memItemLeft" align="right" valign="top">constexpr syntax_option_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#abdc0c254047958096e4a15d438450286">std::regex_constants::icase</a></td></tr> <tr class="separator:abdc0c254047958096e4a15d438450286"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ad272d952090cdb2922bb67cbd8cdda26"><td class="memItemLeft" align="right" valign="top">constexpr syntax_option_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#ad272d952090cdb2922bb67cbd8cdda26">std::regex_constants::nosubs</a></td></tr> <tr class="separator:ad272d952090cdb2922bb67cbd8cdda26"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aca95b9eb242ccfc9700dfb187e74d55a"><td class="memItemLeft" align="right" valign="top">constexpr syntax_option_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#aca95b9eb242ccfc9700dfb187e74d55a">std::regex_constants::optimize</a></td></tr> <tr class="separator:aca95b9eb242ccfc9700dfb187e74d55a"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a1e164c649a05eb8a93d64427b45541e6"><td class="memItemLeft" align="right" valign="top">constexpr syntax_option_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a1e164c649a05eb8a93d64427b45541e6">std::regex_constants::collate</a></td></tr> <tr class="separator:a1e164c649a05eb8a93d64427b45541e6"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a44c0e825f131209047520d6951379593"><td class="memItemLeft" align="right" valign="top">constexpr syntax_option_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a44c0e825f131209047520d6951379593">std::regex_constants::ECMAScript</a></td></tr> <tr class="separator:a44c0e825f131209047520d6951379593"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa09fe132bad48a764d307fd88b8b9325"><td class="memItemLeft" align="right" valign="top">constexpr syntax_option_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#aa09fe132bad48a764d307fd88b8b9325">std::regex_constants::basic</a></td></tr> <tr class="separator:aa09fe132bad48a764d307fd88b8b9325"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a91ad12778523062eaef0df2a35fa82bf"><td class="memItemLeft" align="right" valign="top">constexpr syntax_option_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a91ad12778523062eaef0df2a35fa82bf">std::regex_constants::extended</a></td></tr> <tr class="separator:a91ad12778523062eaef0df2a35fa82bf"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a861153b438007df51dbc43cc58ec4d8b"><td class="memItemLeft" align="right" valign="top">constexpr syntax_option_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a861153b438007df51dbc43cc58ec4d8b">std::regex_constants::awk</a></td></tr> <tr class="separator:a861153b438007df51dbc43cc58ec4d8b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aff87c3e46ff7278cb6067e653e88103d"><td class="memItemLeft" align="right" valign="top">constexpr syntax_option_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#aff87c3e46ff7278cb6067e653e88103d">std::regex_constants::grep</a></td></tr> <tr class="separator:aff87c3e46ff7278cb6067e653e88103d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a4abb15fdbae8f0593dc7662f727e9f0d"><td class="memItemLeft" align="right" valign="top">constexpr syntax_option_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a4abb15fdbae8f0593dc7662f727e9f0d">std::regex_constants::egrep</a></td></tr> <tr class="separator:a4abb15fdbae8f0593dc7662f727e9f0d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa181d58777df9e46fdd8b6cf08dd12c3"><td class="memItemLeft" align="right" valign="top">constexpr syntax_option_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#aa181d58777df9e46fdd8b6cf08dd12c3">std::regex_constants::operator &</a> (syntax_option_type __a, syntax_option_type __b)</td></tr> <tr class="separator:aa181d58777df9e46fdd8b6cf08dd12c3"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aed34b3d93916973cfea2af94c22ac505"><td class="memItemLeft" align="right" valign="top">constexpr syntax_option_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#aed34b3d93916973cfea2af94c22ac505">std::regex_constants::operator|</a> (syntax_option_type __a, syntax_option_type __b)</td></tr> <tr class="separator:aed34b3d93916973cfea2af94c22ac505"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a99429d2419718d6f9cf98153cb104a57"><td class="memItemLeft" align="right" valign="top">constexpr syntax_option_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a99429d2419718d6f9cf98153cb104a57">std::regex_constants::operator^</a> (syntax_option_type __a, syntax_option_type __b)</td></tr> <tr class="separator:a99429d2419718d6f9cf98153cb104a57"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ad3de70b7c5c74267276903c86628e239"><td class="memItemLeft" align="right" valign="top">constexpr syntax_option_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#ad3de70b7c5c74267276903c86628e239">std::regex_constants::operator~</a> (syntax_option_type __a)</td></tr> <tr class="separator:ad3de70b7c5c74267276903c86628e239"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a0ac5601f07c5581e7cc3efd6ce6a9d4f"><td class="memItemLeft" align="right" valign="top">syntax_option_type & </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a0ac5601f07c5581e7cc3efd6ce6a9d4f">std::regex_constants::operator &=</a> (syntax_option_type &__a, syntax_option_type __b)</td></tr> <tr class="separator:a0ac5601f07c5581e7cc3efd6ce6a9d4f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a4bd5dcfb1f0eead5b8f66233f45638f4"><td class="memItemLeft" align="right" valign="top">syntax_option_type & </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a4bd5dcfb1f0eead5b8f66233f45638f4">std::regex_constants::operator|=</a> (syntax_option_type &__a, syntax_option_type __b)</td></tr> <tr class="separator:a4bd5dcfb1f0eead5b8f66233f45638f4"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a782f3bd1b71adf5bc9f337b74ccb169d"><td class="memItemLeft" align="right" valign="top">syntax_option_type & </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a782f3bd1b71adf5bc9f337b74ccb169d">std::regex_constants::operator^=</a> (syntax_option_type &__a, syntax_option_type __b)</td></tr> <tr class="separator:a782f3bd1b71adf5bc9f337b74ccb169d"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a> 5.2 Matching Rules</h2></td></tr> <tr><td class="ititle" colspan="2"><p><a class="anchor" id="amgrpbc1211d7fd4f9da3e5632a80e9bc3f32"></a>Matching a regular expression against a sequence of characters [first, last) proceeds according to the rules of the grammar specified for the regular expression object, modified according to the effects listed below for any bitmask elements set. </p> </td></tr> <tr class="memitem:a37dcdeaf2d2a34d88f1ec2defc7ba041"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a37dcdeaf2d2a34d88f1ec2defc7ba041">std::regex_constants::__match_flag</a> { <br />   <b>_S_not_bol</b>, <b>_S_not_eol</b>, <b>_S_not_bow</b>, <b>_S_not_eow</b>, <br />   <b>_S_any</b>, <b>_S_not_null</b>, <b>_S_continuous</b>, <b>_S_prev_avail</b>, <br />   <b>_S_sed</b>, <b>_S_no_copy</b>, <b>_S_first_only</b>, <b>_S_match_flag_last</b> <br /> }</td></tr> <tr class="separator:a37dcdeaf2d2a34d88f1ec2defc7ba041"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aaa717c7c94d1075dfb06f79feb4ca11c"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#aaa717c7c94d1075dfb06f79feb4ca11c">std::regex_constants::match_flag_type</a> : unsigned int </td></tr> <tr class="separator:aaa717c7c94d1075dfb06f79feb4ca11c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a790496799d7cd836ab2c01c59a05cf5b"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a790496799d7cd836ab2c01c59a05cf5b">std::regex_constants::match_default</a></td></tr> <tr class="separator:a790496799d7cd836ab2c01c59a05cf5b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a446ff6a595e71e6649c0b816064fb6ed"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a446ff6a595e71e6649c0b816064fb6ed">std::regex_constants::match_not_bol</a></td></tr> <tr class="separator:a446ff6a595e71e6649c0b816064fb6ed"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa95cb0d1f20d22e0a5c2dab045febee7"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#aa95cb0d1f20d22e0a5c2dab045febee7">std::regex_constants::match_not_eol</a></td></tr> <tr class="separator:aa95cb0d1f20d22e0a5c2dab045febee7"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a3f995fe4c885c05599fe0495f659d253"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a3f995fe4c885c05599fe0495f659d253">std::regex_constants::match_not_bow</a></td></tr> <tr class="separator:a3f995fe4c885c05599fe0495f659d253"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:af23b92e4bceadee2beb477ddbe79111d"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#af23b92e4bceadee2beb477ddbe79111d">std::regex_constants::match_not_eow</a></td></tr> <tr class="separator:af23b92e4bceadee2beb477ddbe79111d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a499d226890940325a38a2f326ebf7a34"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a499d226890940325a38a2f326ebf7a34">std::regex_constants::match_any</a></td></tr> <tr class="separator:a499d226890940325a38a2f326ebf7a34"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:af6753cbcbf0322f1cdf7fa2adf6ab75e"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#af6753cbcbf0322f1cdf7fa2adf6ab75e">std::regex_constants::match_not_null</a></td></tr> <tr class="separator:af6753cbcbf0322f1cdf7fa2adf6ab75e"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a905d343797be96365d8d663cfc7411f2"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a905d343797be96365d8d663cfc7411f2">std::regex_constants::match_continuous</a></td></tr> <tr class="separator:a905d343797be96365d8d663cfc7411f2"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ad730b04e961da111de1dc350953f48ba"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#ad730b04e961da111de1dc350953f48ba">std::regex_constants::match_prev_avail</a></td></tr> <tr class="separator:ad730b04e961da111de1dc350953f48ba"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:acf3e89be394e8e8efb9dc007691a04d8"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#acf3e89be394e8e8efb9dc007691a04d8">std::regex_constants::format_default</a></td></tr> <tr class="separator:acf3e89be394e8e8efb9dc007691a04d8"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae04376615a7b2c2f4175406a8aceb658"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#ae04376615a7b2c2f4175406a8aceb658">std::regex_constants::format_sed</a></td></tr> <tr class="separator:ae04376615a7b2c2f4175406a8aceb658"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:af9d33d2b168c7c80c7d7f715b16759ea"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#af9d33d2b168c7c80c7d7f715b16759ea">std::regex_constants::format_no_copy</a></td></tr> <tr class="separator:af9d33d2b168c7c80c7d7f715b16759ea"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a8481fef1c709021110cc6058b8574c79"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a8481fef1c709021110cc6058b8574c79">std::regex_constants::format_first_only</a></td></tr> <tr class="separator:a8481fef1c709021110cc6058b8574c79"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a91f43c51d82f4484019c321d420a9fa3"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a91f43c51d82f4484019c321d420a9fa3">std::regex_constants::operator &</a> (match_flag_type __a, match_flag_type __b)</td></tr> <tr class="separator:a91f43c51d82f4484019c321d420a9fa3"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a510d0810f0fe55a65a1f3ad142e95e2c"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a510d0810f0fe55a65a1f3ad142e95e2c">std::regex_constants::operator|</a> (match_flag_type __a, match_flag_type __b)</td></tr> <tr class="separator:a510d0810f0fe55a65a1f3ad142e95e2c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ac6b912c67d2cdd494a770cd23c1b4f98"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#ac6b912c67d2cdd494a770cd23c1b4f98">std::regex_constants::operator^</a> (match_flag_type __a, match_flag_type __b)</td></tr> <tr class="separator:ac6b912c67d2cdd494a770cd23c1b4f98"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a2aeb16521b6691e19cb344505b084271"><td class="memItemLeft" align="right" valign="top">constexpr match_flag_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a2aeb16521b6691e19cb344505b084271">std::regex_constants::operator~</a> (match_flag_type __a)</td></tr> <tr class="separator:a2aeb16521b6691e19cb344505b084271"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:adf8b32ecec86f9328d9e77ea918d5bd7"><td class="memItemLeft" align="right" valign="top">match_flag_type & </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#adf8b32ecec86f9328d9e77ea918d5bd7">std::regex_constants::operator &=</a> (match_flag_type &__a, match_flag_type __b)</td></tr> <tr class="separator:adf8b32ecec86f9328d9e77ea918d5bd7"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a1cc70d79ada227928c10a6ae955a5527"><td class="memItemLeft" align="right" valign="top">match_flag_type & </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a1cc70d79ada227928c10a6ae955a5527">std::regex_constants::operator|=</a> (match_flag_type &__a, match_flag_type __b)</td></tr> <tr class="separator:a1cc70d79ada227928c10a6ae955a5527"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a6edeffe99c8db99f7d365da413e65c34"><td class="memItemLeft" align="right" valign="top">match_flag_type & </td><td class="memItemRight" valign="bottom"><a class="el" href="a01511.html#a6edeffe99c8db99f7d365da413e65c34">std::regex_constants::operator^=</a> (match_flag_type &__a, match_flag_type __b)</td></tr> <tr class="separator:a6edeffe99c8db99f7d365da413e65c34"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>Constant definitions for the std regex library. </p> <p>This is an internal header file, included by other library headers. Do not attempt to use it directly. Instead, include <regex>. </p> <p class="definition">Definition in file <a class="el" href="a00449_source.html">regex_constants.h</a>.</p> </div></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_3a83f109ff04170a1f8448445d1bdcba.html">include</a></li><li class="navelem"><a class="el" href="dir_599c955538774c0249d4ddd97c0a9ae8.html">bits</a></li><li class="navelem"><a class="el" href="a00449.html">regex_constants.h</a></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.13 </li> </ul> </div> </body> </html>