php抓取这个网页的数据，只要数据，不要html内容，然后json后写入文件，新手求教
http://www.okooo.com/upload/sohu/table_23.html   
新收求教啊，这个难度在于正则上，不会写正则啊
------解决方案--------------------
$url = 'http://www.okooo.com/upload/sohu/table_23.html';
$s = file_get_contents($url);
preg_match_all('# array
        (
            [0] => array
                (
                    [0] => 排名
                    [1] => 球队
                    [2] => 积分
                )
[1] => array
                (
                    [0] => 1
                    [1] => 尤文图斯
                    [2] => 102
                )
[2] => array
                (
                    [0] => 2
                    [1] => 罗马
                    [2] => 85
                )
[3] => array
                (
                    [0] => 3
                    [1] => 那不勒斯
                    [2] => 78
                )
[4] => array
                (
                    [0] => 4
                    [1] => 佛罗伦萨
                    [2] => 65
                )
[5] => array
                (
                    [0] => 5
                    [1] => 国际米兰
                    [2] => 60
                )
[6] => array
                (
                    [0] => 6
                    [1] => 帕尔马
                    [2] => 58