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External Data Source

Source

Regular Expression
^((31(?! (FEB|APR|JUN|SEP|NOV)))|((30|29)(?! FEB))|(29(?= FEB (((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00)))))|(0?[1-9])|1\d|2[0-8])[./-]((JAN|FEB|MAR|MAY|APR|JUL|JUN|AUG|OCT|SEP|NOV|DEC)|([0-9]{2}))[./-]([0-9]{4}|[0-9]{2})((?:$|(?=\x20\d)\x20))?((?:(?:0?[1-9]|1[012])(?::[0-5]\d){0,2}(?:\x20[aApP][mM]))|(?:[01]\d|2[0-3])(?::[0-5]\d){1,2})?$