请问正则表达式怎么写？

{dede:pagestyle maxwidth='' pagepicnum='' ddmaxwidth='' row='' col='' value=''/} {dede:img ddimg='/uploads/allimg/120507/1-12050G32F7.jpg' text='' width='500' height='374'} /uploads/allimg/120507/1-12050G32F7.jpg {/dede:img} {dede:img ddimg='/uploads/allimg/120507/1-12050G32F8.jpg' text='' width='500' height='374'}/uploads/allimg/120507/1-12050G32F8.jpg{/dede:img}获取内容一: /uploads/allimg/120507/1-12050G32F7.jpg 获取内容二: /uploads/allimg/120507/1-12050G32F8.jpg请问用正则怎么写?
我要如何才能获取图片地址啊

解决方案 »

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var str="{dede:pagestyle maxwidth='' pagepicnum='' ddmaxwidth='' row='' col='' value=''/} {dede:img ddimg='/uploads/allimg/120507/1-12050G32F7.jpg' text='' width='500' height='374'} /uploads/allimg/120507/1-12050G32F7.jpg {/dede:img} {dede:img ddimg='/uploads/allimg/120507/1-12050G32F8.jpg' text='' width='500' height='374'}/uploads/allimg/120507/1-12050G32F8.jpg{/dede:img}";
    var p=/\{dede:img[^\}]*\}(.*?)\{\/dede:img\}/g;
    var arr=[];
var m=null;
  while(m=p.exec(str)){
         arr.push(RegExp.$1);
  }
alert(arr);
\{dede:img\s*ddimg='[^']+'[^}]*\}(.*?)\{/dede:img\}
取第1个分组
或者
\{(dede:img)\s*ddimg='[^']+'[^}]*\}(.*?)\{/\1\}
取第2个分组
改一下忘了js/\{dede:img\s*ddimg='[^']+'[^}]*\}(.*?)\{/dede:img\}/g
取第1个分组或者
/\{(dede:img)\s*ddimg='[^']+'[^}]*\}(.*?)\{/\1\}/g
取第2个分组
<!DOCTYPE HTML>
<html>
<head>
<meta charset="gb2312" />
<title></title>
<style>

</style>
</head>
<body>
<div id="test">
{dede:pagestyle maxwidth='' pagepicnum='' ddmaxwidth='' row='' col='' value=''/} {dede:img ddimg='/uploads/allimg/120507/1-12050G32F7.jpg' text='' width='500' height='374'} /uploads/allimg/120507/1-12050G32F7.jpg {/dede:img} {dede:img ddimg='/uploads/allimg/120507/1-12050G32F8.jpg' text='' width='500' height='374'}/uploads/allimg/120507/1-12050G32F8.jpg{/dede:img}
</div>
<script>
var $ = function(id){
return document.getElementById(id);
};
var s = $('test').innerHTML;
var re = /[^']+\.jpg(?=')/g;
alert( s.match(re) )
</script>
</body>
</html>
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