title: how to check for special characters php
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/3937569/preg-match-php-special-characters">preg_match php special characters</a>  </p>
  </blockquote>
  
  
  
  <p>Hi all, I want to check if these characters exist in a string by using <code>preg_match</code>:</p>
  
  <p><code>^'£$%^&amp;*()}{@'#~?&gt;&lt;&gt;,@|\-=-_+-¬'</code></p>
  
  <p>Help please!</p>