[PerlChina] perl 正则表达式

[purl lamp]

anyway this command give me many hint about how perl run.

echo hello world | perl -land -e "print @F"

2008/7/5 张晓亮 <alaboszhang at gmail.com>:

>  奇怪了, 我的就通不过了. 环境跟你的一样.
>
> 我再试试.
>
>
>
>
> ----- Original Message -----
> *From:* fengpxu fengpxu <fengpxu at gmail.com>
> *To:* china-pm at pm.org
> *Sent:* Saturday, July 05, 2008 11:06 AM
> *Subject:* Re: [PerlChina] perl 正则表达式
>
> my $str = '/Book/LN/16.aspx古典仙侠';
>
> print $1,$2 if $str =~/\/Book\/LN\/(\d+).aspx(.*)/;
> print 'ok';
>
> 16古典仙侠ok
>
> windows xp sp2 perl 5.8.8 通过。
>
> 2008/7/5 张晓亮 <alaboszhang at gmail.com>:
>
>>  各位:
>>
>>     有类似如下字符串:
>>     Book/LN/16.aspx古典仙侠
>>
>>
>>     用:      print $1 if $str =~/\/Book\/LN\/(\d+).aspx/;
>>
>>     这样可以得到  16
>>
>>
>>     用:
>>     print $1,$2 if $str =~/\/Book\/LN\/(\d+).aspx(.*)/;
>>
>>     这样不能得到 $2
>>
>>    请问这个正则该如何修改?
>>
>>
>>
>> aj
>>
>>
>>
>>
>>
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>> China-pm at pm.org
>> http://mail.pm.org/mailman/listinfo/china-pm
>>
>
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