regex for validating time in asp.net
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/884848/regular-expression-to-validate-valid-time">Regular expression to validate valid time</a>  </p>
</blockquote>



<p>i wrote this code for validating time in asp.net
*</p>

<p>what are the errors if i use "[0-9]?[0-9]+\:[0-9]+[0-9]+\:[0-9]+[0-9]+" for hh:mm:ss format.Will it work for all cases?</p>
