what does @ mean when used in preg_match?
<p>This is from a class there is a @ sign in preg_match what does it mean or its purpose? Does it mean a space?</p>

<pre><code>if (preg_match("@Property Information &lt;/td&gt;@",simplexml_import_dom($cols-&gt;item(0))-&gt;asXML(),$ok))
{
     $table_name = 'Property Information';
}
</code></pre>
