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}
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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);
}
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