九年级下册物理内容:正则表达式(RegExp)对象的用法

来源:百度文库 编辑:杭州交通信息网 时间:2024/05/15 09:10:02

function matchDemo(){
var s;
var re = new RegExp("d(b+)(d)","ig");
var str = "cdbBdbsbdbdz";
var arr = re.exec(str);
s = "$1 contains: " + RegExp.$1 + "\n";
s += "$2 contains: " + RegExp.$2 + "\n";
s += "$3 contains: " + RegExp.$3;
return(s);
}