title: regex for validating time in asp.net
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://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>