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External Data Source

Source

Regular Expression
(?n:^(?=\d)((?<day>31(?!(.0?[2469]|11))|30(?!.0?2)|29(?(.0?2)(?=.{3,4}(19|[2-9]\d)(0[48]|[2468][048]|[13579][26])|(16|[2468][048]|[3579][26])00))|0?[1-9]|1\d|2[0-8])(?<sep>[/.-])(?<month>0?[1-9]|1[012])\2(?<year>(19|[2-9]\d)\d{2})(?:(?=\x20\d)\x20|$))?(?<time>([01]\d|2[0-3])(:[0-5]\d){1})$)