Can regular expression validation do this?

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From: Ed Chiu (EdChiu_at_discussions.microsoft.com)
Date: 11/08/04 

Date: Mon, 8 Nov 2004 10:35:04 -0800

Hi,

I want to use regular expression validator to validate time in the pattern
of 00:00 to 23:59 , what should the expression look like?

TIA