<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Set/Get the default options for mbregex functions</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.mb-regex-encoding.html">mb_regex_encoding</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.mb-send-mail.html">mb_send_mail</a></div> <div class="up"><a href="ref.mbstring.html">Multibyte String Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.mb-regex-set-options" class="refentry"> <div class="refnamediv"> <h1 class="refname">mb_regex_set_options</h1> <p class="verinfo">(PHP 4 >= 4.3.0, PHP 5)</p><p class="refpurpose"><span class="refname">mb_regex_set_options</span> — <span class="dc-title">Set/Get the default options for mbregex functions</span></p> </div> <div class="refsect1 description" id="refsect1-function.mb-regex-set-options-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><strong>mb_regex_set_options</strong></span> ([ <span class="methodparam"><span class="type">string</span> <code class="parameter">$options</code><span class="initializer"> = mb_regex_set_options()</span></span> ] )</div> <p class="simpara"> Sets the default options described by <em><code class="parameter">options</code></em> for multibyte regex functions. </p> </div> <div class="refsect1 parameters" id="refsect1-function.mb-regex-set-options-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">options</code></em></span> <dd> <p class="para"> The options to set. This is a a string where each character is an option. To set a mode, the mode character must be the last one set, however there can only be set one mode but multiple options. </p> <table class="doctable table"> <caption><strong>Regex options</strong></caption> <thead> <tr> <th>Option</th> <th>Meaning</th> </tr> </thead> <tbody class="tbody"> <tr> <td>i</td> <td>Ambiguity match on</td> </tr> <tr> <td>x</td> <td>Enables extended pattern form</td> </tr> <tr> <td>m</td> <td><em>'.'</em> matches with newlines</td> </tr> <tr> <td>s</td> <td><em>'^'</em> -> <em>'\A'</em>, <em>'$'</em> -> <em>'\Z'</em></td> </tr> <tr> <td>p</td> <td>Same as both the <em>m</em> and <em>s</em> options</td> </tr> <tr> <td>l</td> <td>Finds longest matches</td> </tr> <tr> <td>n</td> <td>Ignores empty matches</td> </tr> <tr> <td>e</td> <td> <span class="function"><a href="function.eval.html" class="function">eval()</a></span> resulting code</td> </tr> </tbody> </table> <table class="doctable table"> <caption><strong>Regex syntax modes</strong></caption> <thead> <tr> <th>Mode</th> <th>Meaning</th> </tr> </thead> <tbody class="tbody"> <tr> <td>j</td> <td>Java (Sun java.util.regex)</td> </tr> <tr> <td>u</td> <td>GNU regex</td> </tr> <tr> <td>g</td> <td>grep</td> </tr> <tr> <td>c</td> <td>Emacs</td> </tr> <tr> <td>r</td> <td>Ruby</td> </tr> <tr> <td>z</td> <td>Perl</td> </tr> <tr> <td>b</td> <td>POSIX Basic regex</td> </tr> <tr> <td>d</td> <td>POSIX Extended regex</td> </tr> </tbody> </table> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.mb-regex-set-options-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> The previous options. If <em><code class="parameter">options</code></em> is omitted, it returns the <span class="type"><a href="language.types.string.html" class="type string">string</a></span> that describes the current options. </p> </div> <div class="refsect1 seealso" id="refsect1-function.mb-regex-set-options-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.mb-split.html" class="function" rel="rdfs-seeAlso">mb_split()</a> - Split multibyte string using regular expression</span></li> <li class="member"> <span class="function"><a href="function.mb-ereg.html" class="function" rel="rdfs-seeAlso">mb_ereg()</a> - Regular expression match with multibyte support</span></li> <li class="member"> <span class="function"><a href="function.mb-eregi.html" class="function" rel="rdfs-seeAlso">mb_eregi()</a> - Regular expression match ignoring case with multibyte support</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.mb-regex-encoding.html">mb_regex_encoding</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.mb-send-mail.html">mb_send_mail</a></div> <div class="up"><a href="ref.mbstring.html">Multibyte String Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>