一个简单的js正则表达式

Question

以下是我给的数据：
var data="123aaa456";
var pattern=/(\d)(\d)(\d)/gi;
我要取出
1
2
3
4
5
6
即每个匹配里面的每个括号的内容。
求教。

Answer 1

    <script type="text/javascript">
var data="123aaa456"; 
var pattern=/(\d)/g, arr = [];
while(pattern.exec(data) != null) arr.push(RegExp.$1)
alert(arr)
    </script>

Answer 2

var data="123aaa456";
var relt = data.replace(/[^\d]*/g,"").replace(/\d{1}/g,function($0){
   return $0+"\n";
});
alert(relt);//   1
                 2
                 3
                 4
                 5
                 6  

Answer 3

var data="123aaa456"; 
var pattern=/(\d)(\d)(\d)/gi;
var array = data.match(pattern).join("\n").match(/\d/g);
alert(array);

Answer 4

array[2 * 3 + 2 - 1]