Time Validation in ASP.Net

The Regular Expression for Validating Time

For validating time in ASP.Net, the validation expression used is

^([0-1][0-9]|[2][0-3]):([0-5][0-9]):([0-5][0-9])$

This will validate the time in the textbox in the format HH:mm:ss

For Example,

The valid time is 15:30:12.