Whether</h2>
<ul>
  <li> the executed regular expression is sensitive and a user can provide a string which will be analyzed by this regular expression. </li>
  <li> your regular expression engine performance decrease with specially crafted inputs and regular expressions. </li>
</ul>
<p>You may be at risk if you answered yes to any of those questions.</p>
<h2>Recommended Secure Coding Practices</h2>
<p>Check whether your regular expression engine (the algorithm executing your regular expression) has any kno