求助：请问在winform 中如何用正则提取下面网页代码中的包含在“href="" onclick”中间链接？
请问在winform 中如何用正则提取下面网页代码中的包含在“href="" onclick”中间链接？
各位最好给我源代码，谢谢呀~~~~~~<th class="new">
<em>[<a href=" http://www.feidong.cc/forum.php?mod=forumdisplay&fid=16&filter=typeid&typeid=33">评论</a>]</em><a href=" http://www.feidong.cc/forum.php?mod=viewthread&tid=177161&extra=page%3D1" onclick="atarget(this)" class="xst">2011年 观肥东教育有感</a>
<a href=" http://www.feidong.cc/forum.php?mod=redirect&tid=177161&goto=lastpost#lastpost" class="xi1">New</a>
</th>
<td class="by">
<cite>
<a href=" http://www.feidong.cc/home.php?mod=space&uid=9549" c="1">xhq001</a></cite>
<em>2011-7-6</em>
</td>
<td class="num"><a href=" http://www.feidong.cc/forum.php?mod=viewthread&tid=177161&extra=page%3D1" class="xi2">4</a><em>204</em></td>
<td class="by">
<cite><a href=" http://www.feidong.cc/home.php?mod=space&username=%C7%E5%B7%E7%D5%AB" c="1">清风斋</a></cite>
<em><a href=" http://www.feidong.cc/forum.php?mod=redirect&tid=177161&goto=lastpost#lastpost"><span title="2011-7-7 13:43">1 小时前</span></a></em>
</td>
</tr>
</tbody>
<tbody id="normalthread_177227">
<tr>
<td class="icn">
<a href=" http://www.feidong.cc/forum.php?mod=viewthread&tid=177227&extra=page%3D1" title="新窗口打开" target="_blank">
<img src="static/image/common/folder_new.gif" />
</a>
</td>
<th class="new">
<em>[<a href=" http://www.feidong.cc/forum.php?mod=forumdisplay&fid=16&filter=typeid&typeid=30">原创</a>]</em><a href=" http://www.feidong.cc/forum.php?mod=viewthread&tid=177227&extra=page%3D1" onclick="atarget(this)" class="xst">心都碎了</a>
<a href=" http://www.feidong.cc/forum.php?mod=redirect&tid=177227&goto=lastpost#lastpost" class="xi1">New</a>
</th>
<td class="by">
<cite>
<a href=" http://www.feidong.cc/home.php?mod=space&uid=26996" c="1">西湖怪叟</a></cite>
<em>2011-7-7</em>
</td>
<td class="num"><a href=" http://www.feidong.cc/forum.php?mod=viewthread&tid=177227&extra=page%3D1" class="xi2">10</a><em>173</em></td>
<td class="by">
<cite><a href=" http://www.feidong.cc/home.php?mod=space&username=%C7%E5%B7%E7%D5%AB" c="1">清风斋</a></cite>
<em><a href=" http://www.feidong.cc/forum.php?mod=redirect&tid=177227&goto=lastpost#lastpost"><span title="2011-7-7 13:40">1 小时前</span></a></em>
</td>
