求正则表达式。解决思路

求正则表达式。

PHP code

<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--><span class="site-span"><a href="http://chongqing.lashou.com/" target="_blank" title="该网站支持百度帐号一站通登录" mon="ipcity=重庆&position=famous&type=site&sitename=拉手网">拉手网</a></span>

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C# code

<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->        $regular    =    '/<a>]* href="([^"]*)"[^>]*>(.*)/isU';</a>

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