title: RegEx for 00:00 Time Format > 24
body: <p>I've found many RegEx Samples. For example this:</p>
  
  <pre><code>^(20|21|22|23|[01]\d|\d)(([:][0-5]\d){1,2})$
  </code></pre>
  
  <p>It's possible to use 9:00 or 09:00. The problem is, it's limited to 24 hours, but I need it to validate duration, not an exact time, so It could be bigger than 24 hours.</p>
  
  <p>I have a TextBox which gets validated with a RegularExpressionValidator.
  I have no clue about RegEx and couldn't find some kind of generator.</p>
  
  <p>Can you help me to get this done?</p>