title: Unknown modifier 'l' error
body: <pre><code>Warning: preg_match_all() [function.preg-match-all]: Unknown modifier 'l' in /var/www/test.php on line 9
  </code></pre>
  
  <p>It's saying my regex has an unknown modifier, but I'm not sure what exactly is happening to trigger the error</p>
  
  <pre><code>preg_match_all("/\&lt;select id\=\'subscription_division_id\'(.+?)&lt;/select&gt;\/is", $html, $matches);
  </code></pre>