[PerlChina] regex问题:如何取得匹配的多行内容

chen ken tinyu0 at gmail.com
Thu Jun 15 00:15:56 PDT 2006


。。。我倒!!!, 现在竟然可以取到了。 - -!

在06-6-15,chen ken <tinyu0 at gmail.com> 写道:
>
> 最近在学习正则表达式,碰到匹配多行文本的问题,怎么也弄不明白了 - -!
> 问题如下:
>
> 我把正则表达式在http://regexlib.com/RETester.aspx中测试,能匹配多行内容
> 我也在RegexBuddy中测试过,也能匹配多行
> 正则表达式:(Customer Address[\s][\.]*(?:[\s].*\n)*)
> 文本内容:
>
> Customer Address .............. New Orchard Road
>                                 Armonk, NY 10504
>                                 US
> Customer1 Address .............. New Orchard Road
>                                  Armonk, NY 10504
>
>                                  US
>
> 测试匹配结果
> Customer Address .............. New Orchard Road
>                                 Armonk, NY 10504
>                                 US
> $1=
> Customer Address .............. New Orchard Road
>
>                                 Armonk, NY 10504
>                                 US
>
>
> 但是,我在perl中
>
> my $regex = '(Customer Address[\s][\.]*(?:[\s].*\n)*)' ;
> if($content =~ m/$regex/i){
>     print $1, "\n";
> }
>
> 只能打印出
>
> Customer Address .............. New Orchard Road
>
>
> 这是怎么回事啊?我google上看了看,没有找到原因。
> 谁能给我解释一下么,谢谢。
>
>
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