正则抓取土豆视频解决办法

正则抓取土豆视频
如题. http://www.tudou.com/listplay/Icl7UAlbQZs/6YFO9qJvtts.html  
求高手抓出此链接的视频地址

------解决方案--------------------
你只要用tudou的播放播放就会有广告。
------解决方案--------------------

PHP code

$s=file_get_contents('http://www.tudou.com/listplay/Icl7UAlbQZs/6YFO9qJvtts.htm');
preg_match_all('/iid:(\d+)\s+,kw:"(.*?)"\s+.*?icode:"(.*?)"/s',$s,$matches);

foreach($matches[1] as $k=>$v){
    $name=iconv('GB2312','utf-8',$matches[2][$k]);
    echo "<a href="http://www.tudou.com/l/%7B%24matches%5B3%5D%5B%24k%5D%7D/&iid=%7B%24matches%5B1%5D%5B%24k%5D%7D/v.swf">$name</a><br>";
} <div class="clear">
                 
              
              
        
            </div>