跪求正则表达式！该如何解决
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：
50
我擦 > 我擦 > 我擦
50------解决方案--------------------
结果出来了，就是回朔多了点~凑合用吧
- PHP code
-
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：50
我擦 > 我擦 > 我擦 - 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：50
我擦 > 我擦 > 我擦
- .*(\d{4}\S+\s+\S+)\s*-\s*.*(.*)/Uis', $str, $matches); print_r($matches); ?>
-
我擦我擦我擦擦擦
<?php $str=<<<HTML <li>
------解决方案--------------------
- PHP code
[User:root Time:18:44:25 Path:/home/liangdong/php]$ 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] => 
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