<!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>Examples</title>
</head>
<body><div class="manualnavbar" 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 id="pcre.examples" class="appendix">
<h1>Examples</h1>
<p class="para">
<div class="example" id="example-4780">
<p><strong>Example #1 Examples of valid patterns</strong></p>
<ul class="itemizedlist">
<li class="listitem"><span class="simpara"><em>/<\/\w+>/</em></span></li>
<li class="listitem"><span class="simpara"><em>|(\d{3})-\d+|Sm</em></span></li>
<li class="listitem"><span class="simpara"><em>/^(?i)php[34]/</em></span></li>
<li class="listitem"><span class="simpara"><em>{^\s+(\s+)?$}</em></span></li>
</ul>
</div>
</p>
<p class="para">
<div class="example" id="example-4781">
<p><strong>Example #2 Examples of invalid patterns</strong></p>
<ul class="itemizedlist">
<li class="listitem">
<span class="simpara">
<em>/href='(.*)'</em> - missing ending delimiter
</span>
</li>
<li class="listitem">
<span class="simpara">
<em>/\w+\s*\w+/J</em> - unknown modifier 'J'
</span>
</li>
<li class="listitem">
<span class="simpara">
<em>1-\d3-\d3-\d4|</em> - missing starting delimiter
</span>
</li>
</ul>
</div>
</p>
</div>
<hr /><div class="manualnavbar" 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>
