pat.exec("12:10 Am")
//输出：["12:12 Am", "Am"]
var result=data.match(/((^((1[8-9]\d{2})|([2-9]\d{3}))(\/)(10|12|0?[13578])(\/)(3[01]|[12][0-9]|0?[1-9])$)|(^((1[8-9]\d{2})|([2-9]\d{3}))(\/)(11|0?[469])(\/)(30|[12][0-9]|0?[1-9])$)|(^((1[8-9]\d{2})|([2-9]\d{3}))(\/)(0?2)(\/)(2[0-8]|1[0-9]|0?[1-9])$)|(^([2468][048]00)(\/)(0?2)(\/)(29)$)|(^([3579][26]00)(\/)(0?2)(\/)(29)$)|(^([1][89][0][48])(\/)(0?2)(\/)(29)$)|(^([2-9][0-9][0][48])(\/)(0?2)(\/)(29)$)|(^([1][89][2468][048])(\/)(0?2)(\/)(29)$)|(^([2-9][0-9][2468][048])(\/)(0?2)(\/)(29)$)|(^([1][89][13579][26])(\/)(0?2)(\/)(29)$)|(^([2-9][0-9][13579][26])(\/)(0?2)(\/)(29)$))/)将所有的(-)改成(\/)不就得了
我很久以前好像写过一个和这差不多的正则
