Can anyone tell me the regular expression format for \"MM/DD/YY HH:mm:ss AM/PM\" to use it in a regular expression validator, in asp.net 2.0
For client-side (JavaScript) validation, you can use
^\d\d/\d\d/\d\d \d\d:\d\d:\d\d [AP]M$
which will check syntax (digits, spaces, separators), strictly, against your spec. If a match is obtained, you then need to check the ranges of the values entered (e.g. 1 <= month <= 12, etc.) in the subgroups for the returned match.
Use this site to test out the regex.