((([1-2][0-9]|3[0-1]|0?[1-9])[\-\/\:](0?[1-9]|1[0-2])[\-\/\:]\d{4})|(([1-2][0-9]|3[0-1]|0?[1-9])[\.](0?[1-9]|1[0-2])[\.]\d{4}))