跪求正则表达式!该如何解决

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Release: 2016-06-13 10:23:31
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跪求正则表达式!!!
求正则表达式提取第一个url(直接取出最后那个id最佳),超链接的内容,提问日期那个时间,后面那个超链接内容,以及回答数那个数字,这个要preg_match_all循环匹配的,各位大牛帮帮小弟啊!




  • 我擦我擦我擦擦擦
    我擦我擦我擦擦擦



    提问日期:2012/05/12 18:06:58 - kagakugizyutugakari我擦 - 回答数:0 - 悬赏:我又擦50

    我擦 > 我擦 > 我擦




  • ------解决方案--------------------
    结果出来了,就是回朔多了点~凑合用吧
    PHP code
    <?php $str=<<<HTML<li>
    Copy after login
    我擦我擦我擦擦擦。我擦我擦我擦擦擦
    提问日期:2012/05/12 18:06:58 - kagakugizyutugakari我擦 - 回答数:0 - 悬赏:我又擦50
    我擦 > 我擦 > 我擦
    HTML;$pattern='/question_detail\/([^"]+)"> #第一个id(.+?) #第一个链接内容.+?提问日期:([^-]+).+? #提问时间]+) #第二个链接内容.+?回答数:(\d+) #回答数/xis';preg_match_all($pattern,$str,$matches);print_r($matches);/* Array( [0] => Array ( [0] => question_detail/q1187216696">我擦我擦我擦擦擦。我擦我擦我擦擦擦提问日期:2012/05/12 18:06:58 - kagakugizyutugakari我擦 - 回答数:0 ) [1] => Array ( [0] => q1187216696 ) [2] => Array ( [0] => 我擦我擦我擦擦擦。我擦我擦我擦擦擦 ) [3] => Array ( [0] => 2012/05/12 18:06:58 ) [4] => Array ( [0] => kagakugizyutugakari ) [5] => Array ( [0] => 0 ))*/
    ------解决方案--------------------
    PHP code
    [User:root Time:18:44:25 Path:/home/liangdong/php]$ php preg.php Array(    [0] => <a href="http://url/question_detail/q1187216696">我擦我擦我擦擦擦<wbr>。我擦我擦我擦擦擦<wbr></wbr></wbr></a>    [1] => q1187216696)Array(    [0] => 
    Copy after login
    提问日期:2012/05/12 18:06:58 - kagakugizyutugakari [1] => 2012/05/12 18:06:58 [2] => kagakugizyutugakari)[User:root Time:18:44:26 Path:/home/liangdong/php]$ cat preg.php
    我擦我擦我擦擦擦。我擦我擦我擦擦擦
    提问日期:2012/05/12 18:06:58 - kagakugizyutugakari我擦 - 回答数:0 - 悬赏:我又擦50
    我擦 > 我擦 > 我擦
    EOF;$nmatches = preg_match('/.*/Uis', $str, $matches);print_r($matches);$nmatches = preg_match('/
    .*(\d{4}\S+\s+\S+)\s*-\s*.*(.*)/Uis', $str, $matches);print_r($matches);?>
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