<script language="javascript">//<!--
var s='ilovethisgame';
var r=/love(.*?)game/;
if(r.test(s)){
alert(RegExp.$1);
}
//--></script>
var s='ilovethisgame';
var r=/love(.*?)game/;
if(r.test(s)){
alert(RegExp.$1);
}
//--></script>
str="ilovethisgame"
re=/love(.+?)game/i
re.test(str)
alert(RegExp.$1)
</script>
str = "ilovethisgame";
re = /love(.*)(?=game)/;
arr = re.exec(str);
if (arr.length>1) alert(arr[1]);
</script>
str = "ilovethisgame";
re = /love(.*)game/;
arr = re.exec(str);
if (arr.length>1) alert(arr[1]);
</script>
zhiin(┈ Jcan ┈) 的第一种方法,如果是字符串str = "ilovethisgameasdasdgame";应该就会出错