想要的结果是 取得 “文章主题” 这四个字! 请高手帮忙啊,要不就过不了国庆了啊,惨!我自己写的正则(居然不行 晕~):<td([^>])*\sclass=["]centertitle["]>(^\/td)[^>]([^>])*(\w|\W)*</td>下面是要取的HTML: <td width="2"></td>
<td valign="top" id="centerinfo">
<table width="100%" border="0" cellpadding="0" cellspacing="0" class="functiontable">
<tr>
<td class="centertitle">主题:<font color=#BC8F8F>文章主题</font>
<script>
titleinfos();
</script> </td>
<td class="functionright"><table border="0" align="right" cellpadding="0" cellspacing="0" class="logintable">
<tr>
<td class="loginbot" nowrap><a href="javascript:DoLogin('/cgi-bin/bbs/bbs_login?g=m&p=self&url=reload');"><script>document.write("<img src=\"/images/",style,"/bots.gif\" width=\"60\" height=\"18\" border=\"0\" alt=\"??\" title=\"??\">");</script></a></td>
<td class="loginpost" nowrap><a href="javascript:do_reply('o',sOrgMsgID);"><script>document.write("<img src=\"/images/",style,"/bots.gif\" width=\"60\" height=\"18\" border=\"0\" alt=\"??\" title=\"??\">");</script></a></td>
</tr>
</table></td>
</tr>
</table>
</td>
</tr>
<tr>
<td rowspan="2" align="center" valign="top" class="writeinfo"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td valign="top" id="centerinfo">
<table width="100%" border="0" cellpadding="0" cellspacing="0" class="functiontable">
<tr>
<td class="centertitle">主题:<font color=#BC8F8F>文章主题</font>
<script>
titleinfos();
</script> </td>
<td class="functionright"><table border="0" align="right" cellpadding="0" cellspacing="0" class="logintable">
<tr>
<td class="loginbot" nowrap><a href="javascript:DoLogin('/cgi-bin/bbs/bbs_login?g=m&p=self&url=reload');"><script>document.write("<img src=\"/images/",style,"/bots.gif\" width=\"60\" height=\"18\" border=\"0\" alt=\"??\" title=\"??\">");</script></a></td>
<td class="loginpost" nowrap><a href="javascript:do_reply('o',sOrgMsgID);"><script>document.write("<img src=\"/images/",style,"/bots.gif\" width=\"60\" height=\"18\" border=\"0\" alt=\"??\" title=\"??\">");</script></a></td>
</tr>
</table></td>
</tr>
</table>
</td>
</tr>
<tr>
<td rowspan="2" align="center" valign="top" class="writeinfo"><table border="0" cellpadding="0" cellspacing="0">
<tr>
这样更方便些但要注意:使用时必须保证圆括弧前后的标签必须有一个是唯一的,如果在源码中不唯一,可以前后延展标签的位置
也可以