正则表达式匹配日期时间
正则表达式(?n:^(?=\d)((?31(?!(.0?[2469]|11))|30(?!.0?2)|29(?(.0?2)(?=.{3,4}(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])(?[/.-])(?0?[1-9]|1[012])\2(?
