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#1 (permalink)

08-05-2008

demoprog

Registered User

Join Date: Aug 2008

Posts: 3

reg exp for sed

Code:

$ cat file.txt
asd
        <AA>dev
        <LL>def
        <RR>sha

This works for me: 

$ sed -r 's/^ .*<LL>def/\t<LL>my/' file.txt
asd
        <AA>dev
        <LL>my
        <RR>sha


But, this does not work for me:

$ sed -r 's/^\s+<LL>def/\t<LL>my/' file.txt
asd
        <AA>dev
        <LL>def
        <RR>sha

I am using GNU sed version 4.1.2. What I am trying is to replace "any space and <LL>def' with 'tab and <LL>my'

could anyone help me please on this regexp.

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