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External Data Source

Source

Regular Expression
^((31(?!([-])(Feb|Apr|June?|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|Ma(r|y)|Apr|Ju(l|n)|Aug|Oct|(Sep|Nov|Dec))([-])((1[6-9]|[2-9]\d)\d{2}\s(([0-1]?[0-9])|([2][0-3])):([0-5]?[0-9])(:([0-5]?[0-9]))?)$