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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title>Examples</title>  <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="pcre.constants.html">Predefined Constants</a></div> <div class="next" style="text-align: right; float: right;"><a href="pcre.pattern.html">PCRE Patterns</a></div> <div class="up"><a href="book.pcre.html">PCRE</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div> <h1>Examples</h1> <p class="para">  <div class="example">   <p><b>Example #1 Examples of valid patterns</b></p>   <ul class="itemizedlist">    <li class="listitem"><span class="simpara"><i>/&lt;\/\w+&gt;/</i></span></li>    <li class="listitem"><span class="simpara"><i>|(\d{3})-\d+|Sm</i></span></li>    <li class="listitem"><span class="simpara"><i>/^(?i)php[34]/</i></span></li>    <li class="listitem"><span class="simpara"><i>{^\s+(\s+)?$}</i></span></li>   </ul>  </div> </p> <p class="para">  <div class="example">   <p><b>Example #2 Examples of invalid patterns</b></p>   <ul class="itemizedlist">    <li class="listitem">     <span class="simpara">      <i>/href=&#039;(.*)&#039;</i> - missing ending delimiter     </span>    </li>    <li class="listitem">     <span class="simpara">      <i>/\w+\s*\w+/J</i> - unknown modifier &#039;J&#039;     </span>    </li>    <li class="listitem">     <span class="simpara">      <i>1-\d3-\d3-\d4|</i> - missing starting delimiter     </span>    </li>   </ul>  </div> </p></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="pcre.constants.html">Predefined Constants</a></div> <div class="next" style="text-align: right; float: right;"><a href="pcre.pattern.html">PCRE Patterns</a></div> <div class="up"><a href="book.pcre.html">PCRE</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>

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