87,922
社区成员
发帖
与我相关
我的任务
分享
var a = /\s/;
var b = "123";
if(a instanceof RegExp){
a = a.toString().substring(1,a.toString().length-1);
}
if(b instanceof RegExp){
b = b.toString().substring(1,b.toString().length-1);
}
var exp = new RegExp(a+b);
var a = "\\s";
var b = "123";
var c = new RegExp(a+b);
var a = "\\s";
var b = "123";
var exp = new RegExp(a+b);
var a = /\s/;
var b = "123";
var exp = new RegExp(a.toString().substring(1,a.toString().length-1)+b);
var a = "\s";
var b = "123";
var exp = new RegExp(a+b);