d***a
发帖数: 316 | 1 【 以下文字转载自 CS 讨论区 】
发信人: dunfa (蹲着发财), 信区: CS
标 题: help about regex
发信站: BBS 未名空间站 (Sun May 15 19:02:39 2011, 美东)
Why the following three are not covered by my regex? I am using egrep.
Thank you very much.
gsaunix:*:1604:megb1,paul
rainlab:*:1608:megb1,michal
mgis:*:1597:megb1,michal,nafisa
my regex
.+:\*:[0-9]+:[a-z]+,[a-z]+ | N****w
发帖数: 21578 | 2 因为你要的 ' 没有啊
【在 d***a 的大作中提到】
: 【 以下文字转载自 CS 讨论区 】
: 发信人: dunfa (蹲着发财), 信区: CS
: 标 题: help about regex
: 发信站: BBS 未名空间站 (Sun May 15 19:02:39 2011, 美东)
: Why the following three are not covered by my regex? I am using egrep.
: Thank you very much.
: gsaunix:*:1604:megb1,paul
: rainlab:*:1608:megb1,michal
: mgis:*:1597:megb1,michal,nafisa
: my regex
| d***a
发帖数: 316 | 3 Thanks. Sorry, that ' is a typo.
The modified one is still not working. | N****w
发帖数: 21578 | 4 先用短的 慢慢试
.+ 会匹配很长的
用 [^:]+ 就好了
【在 d***a 的大作中提到】
: Thanks. Sorry, that ' is a typo.
: The modified one is still not working.
| X*V
发帖数: 1431 | 5 egrep '.+:\*:[a-z]+:[a-z]+.[a-z]+' yourfile
【在 d***a 的大作中提到】
: 【 以下文字转载自 CS 讨论区 】
: 发信人: dunfa (蹲着发财), 信区: CS
: 标 题: help about regex
: 发信站: BBS 未名空间站 (Sun May 15 19:02:39 2011, 美东)
: Why the following three are not covered by my regex? I am using egrep.
: Thank you very much.
: gsaunix:*:1604:megb1,paul
: rainlab:*:1608:megb1,michal
: mgis:*:1597:megb1,michal,nafisa
: my regex
| d***a
发帖数: 316 | 6 Some guy in CS board replied like this and it is verified in my system.
.+:\*:[a-z]+:[a-z0-9]+.[a-z0-9]+
because there is a 1 in the megb1, so [0-9]+ is necessary
Enjoy. | l****g
发帖数: 122 | 7 +:\*:[a-z]+:[a-z]+0-9]*.[a-z]+[0-9]* |
|
