日期正則表達(dá)式 yyyy-MM-dd,yyyy/MM/dd,MM/dd/yyyy，一個正則表達(dá)式可以驗(yàn)證這三種還有一種格式是yyyyMMdd
2 回答
臨摹微笑
TA貢獻(xiàn)1982條經(jīng)驗(yàn) 獲得超2個贊
var a = '2011-12-21';
var b = '2011/01/21';
var c = '20141230';
var d = '12/21/2011';
function test(s){
var r1 = /^(\d{2})\/(\d{2})\/(\d{4})$/;
if(r1.test(s)){
s = RegExp.$3+'-'+RegExp.$1+'-'+RegExp.$2;
return Boolean(+new Date(s));
}else{
var r1 = /^(\d{4})([-/]?)(\d{2})\2(\d{2})$/;
if(r1.test(s)){
s = RegExp.$1+'-'+RegExp.$3+'-'+RegExp.$4;
return Boolean(+new Date(s));
}else{
return false;
}
}
}
console.log(test(a));
console.log(test(b));
console.log(test(c));
console.log(test(d));
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