Wednesday, October 29, 2008

ASP.NET Regular Expression for date format

In ASP.Net Many times required to Validate Date Fromat Enter in Control.in Regular Expression Following RE used to Validate Date Format.

dd/mm/yyyy Format (optional mm,optional dd)
([1-9]0[1-9][12][0-9]3[01])[- /.]([1-9]0[1-9]1[012])[- /.][0-9]{4}$

mm/dd/yyyy (optional mm,optional dd)
^([1-9]0[1-9]1[012])[- /.]([1-9]0[1-9][12][0-9]3[01])[- /.][0-9]{4}$

mm/dd/yyyy (Exact Format)
^([01]\d)/([0-3]\d)/(\d{4})$

Good Luck

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