Hi,
I hope I won't say a stupidity…
Le 28-09-2023, à 14:18:22 +0800, wenxin Wang a écrit :
:%s/\(XXX[^ ]*\) /\1_/g
I am a newbie to vim, but would like to learn it . Please tell me what
exactly does 1_ do in your command ? I knew that you wanted to substitute by
underscore, but why
1 was there?
It's not the '_1' that is important here, it the '\1', which is a back
reference to what is in between the (). So everything in there will be
used in the substitution and to that you add '_'.
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