大家可以测试下。我测试没问题

showMenu\(this\.id\)">(?<author>[^<a]*?)</a>.*?<div class="smalltxt"><br>(<table width="95%" border="0" cellspacing="0" cellpadding="0" style="table-layout: fixed; overflow: hidden">(?<face>.*?)</table>)?<br>        <br>.*?注册 (?<useraddtime>[0-9 -:]{4,20})<br>.*?发表于 (?<addtime>[0-9 -AMPamp:]{4,20}) .*?class="t_msgfont">(?<message>.*?)<br><br></div><script type="text/javascript">obj_ID.*?<br style="clear: both"><font style="color: #333333; font: 12px Tahoma, Verdana,Arial,宋体">(<br><br><div class="msgbody"><div class="msgheader"><div class="right"><a href="member(?<attache>.*?)</div></div></div>)?</font></td></tr>(<tr><td valign="bottom"><table width="506" height="78" border="1" bordercolor="#000000">.*?</table></td></tr></table>  </td></tr>)?(<tr><td valign="bottom"><br><br><br><img src="images/common/sigline\.gif" alt="" /><br><div class="t_signature" style="overflow: hidden; max-height: 20em; maxHeightIE: 245px;">(?<usersign>.*?)</div></td></tr>)?<tr><td align="right"> <a href="report\.php