请教一个sed命令替换的问题。

redog

33This is one 123 444 55 3
Data 2333 is 3939 9393 33
3333 478 8487 jdkk33d kkdj
Kjdk 33 jkiei 8847k3333j 333
使用sed命令将只包含两个3的子串替换为100

waker

s/\([^3]\)*33\([^3]*\)/\1100\2/g

[ 本帖最后由 waker 于 2005-11-23 16:56 编辑 ]

wenziyan

看不懂?

redog

谢谢 大侠

寂寞烈火

/home/lee#cat text
33This is one 123 444 55 3
Data 2333 is 3939 9393 33
3333 478 8487 jdkk33d kkdj
Kjdk 33 jkiei 8847k3333j 333

1. 
   
2. cat text|sed 's/<33>/100/g;s/([^3])33([^3])/11002/g;s/b33([^3])/1001/g'
   

复制代码

100This is one 123 444 55 3
Data 2333 is 3939 9393 100
3333 478 8487 jdkk100d kkdj
Kjdk 100 jkiei 8847k3333j 333

BTW:笨了些,呵呵 :em11:

yuyuyou

原帖由 waker 于 2005-11-23 16:03 发表
s/([^3])*33([^3]*)/11002/g

我这个怎么全换了
[root@localhost sort]# more 33
33This is one 123 444 55 3
Data 2333 is 3939 9393 33
3333 478 8487 jdkk33d kkdj
Kjdk 33 jkiei 8847k3333j 333

[root@localhost sort]# sed 's/([^3])*33([^3]*)/11002/g' 33
100This is one 123 444 55 3
21003 is 3939 9393 100
100100 478 8487 jdkk100d kkdj
100 jkiei 8847k100100j 1003