var reg=new RegExp("[1-9]\d*","g");
reg =/^[1-9]\d*$/;
alert(reg.test('10'));
alert(reg.exec("102"));//返回捕获数组
var tt="100d";
alert(tt.match(/([1-9]\d*)/));
var reg=new RegExp("[1-9]\d*","g");
reg =/^[1-9]\d*$/;
alert(reg.test('10'));
alert(reg.exec("102"));//返回捕获数组
var tt="100d";
alert(tt.match(/([1-9]\d*)/));
转载于:https://www.cnblogs.com/merlini/archive/2013/05/29/3106156.html