title: Jquery input.mask with regex
body: <p>I want to implement simple jquery mask pluging using <a href="https://github.com/RobinHerbots/jquery.inputmask" rel="nofollow">jquery input.mask plugin</a>, however, i cannot make it work with regex. What i want to achieve is:</p>
  
  <pre><code>99:59:59
  </code></pre>
  
  <p><a href="http://jsfiddle.net/sefhsoqd/3/" rel="nofollow">Fiddle</a></p>