高考问答云天空近战法师下载:正则表达式(RegExp)对象的用法
来源：百度文库 编辑：高考问答 时间：2024/05/12 00:25:57
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);
}