正则抓取土豆视频解决办法

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

foreach($matches[1] as $k=>$v){
    $name=iconv('GB2312','utf-8',$matches[2][$k]);
    echo "$name
";
}