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<h1>Examples</h1>
<p class="para">
<div class="example" id="example-5981">
<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>
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<p class="para">
<div class="example" id="example-5982">
<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
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</li>
<li class="listitem">
<span class="simpara">
<em>/\w+\s*\w+/J</em> - unknown modifier 'J'
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</li>
<li class="listitem">
<span class="simpara">
<em>1-\d3-\d3-\d4|</em> - missing starting delimiter
</span>
</li>
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