anyway this command give me many hint about how perl run.<br><br>echo hello world | perl -land -e "print @F"<br><br><div class="gmail_quote">2008/7/5 张晓亮 <<a href="mailto:alaboszhang@gmail.com">alaboszhang@gmail.com</a>>:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div bgcolor="#ffffff">
<div><font size="2">奇怪了, 我的就通不过了. 环境跟你的一样. </font></div>
<div><font size="2"></font> </div>
<div><font size="2">我再试试. </font></div>
<div><font size="2"></font> </div>
<div><font size="2"></font> </div>
<div> </div>
<blockquote style="border-left: 2px solid rgb(0, 0, 0); padding-right: 0px; padding-left: 5px; margin-left: 5px; margin-right: 0px;"><div><div></div><div class="Wj3C7c">
<div>----- Original Message ----- </div>
<div style="background: rgb(228, 228, 228) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;"><b>From:</b>
<a title="fengpxu@gmail.com" href="mailto:fengpxu@gmail.com" target="_blank">fengpxu fengpxu</a>
</div>
<div><b>To:</b> <a title="china-pm@pm.org" href="mailto:china-pm@pm.org" target="_blank">china-pm@pm.org</a> </div>
<div><b>Sent:</b> Saturday, July 05, 2008 11:06 AM</div>
<div><b>Subject:</b> Re: [PerlChina] perl 正则表达式</div>
<div><br></div>
<p>my $str = '/Book/LN/16.aspx古典仙侠';</p>
<p>print $1,$2 if $str =~/\/Book\/LN\/(\d+).aspx(.*)/;</p>
<div>print 'ok';</div>
<div> </div>
<div>16古典仙侠ok</div>
<div> </div>
<div>windows xp sp2 perl 5.8.8 通过。<br><br></div>
<div class="gmail_quote">2008/7/5 张晓亮 <<a href="mailto:alaboszhang@gmail.com" target="_blank">alaboszhang@gmail.com</a>>:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0px 0px 0px 0.8ex; padding-left: 1ex;">
<div bgcolor="#ffffff">
<div><font size="2">各位:</font></div>
<div><font size="2"></font> </div>
<div><font size="2"> 有类似如下字符串:</font></div>
<div><font size="2"> </font><font size="2">Book/LN/16.aspx古典仙侠</font></div>
<div><font size="2"></font> </div>
<div><font size="2"> </font></div>
<div><font size="2"> 用:
<div><font size="2"> print $1 if $str
=~/\/Book\/LN\/(\d+).aspx/;</font></div>
<div><font size="2"></font> </div>
<div><font size="2"> 这样可以得到
16</font></div></font></div>
<div><font size="2"></font> </div>
<div><font size="2"></font> </div>
<div><font size="2"> 用:</font></div>
<div><font size="2"> print $1,$2 if $str
=~/\/Book\/LN\/(\d+).aspx(.*)/;</font></div>
<div><font size="2"></font> </div>
<div><font size="2"> 这样不能得到 $2</font></div>
<div><font size="2"> </font></div>
<div><font size="2"> 请问这个正则该如何修改?</font></div>
<div><font size="2"></font> </div>
<div><font size="2"></font> </div>
<div><font size="2"></font> </div>
<div><font size="2">aj</font></div>
<div><font size="2"></font> </div>
<div><font size="2"></font> </div>
<div><font size="2"></font> </div>
<div><font size="2"> </font><font size="2"></font></div></div><br>_______________________________________________<br>China-pm
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