Re: Replace spaces with underscore after some pattern in line

On Wed, Sep 27, 2023 at 4:50 AM 'c.willis111' via vim_use <vim_use@googlegroups.com> wrote:

------ Original Message ------
From: "Igor" <igor2x@gmail.com>
To: "vim_use" <vim_use@googlegroups.com>
Sent: Wednesday, 27 Sep, 2023 At 12:09
Subject: Replace spaces with underscore after some pattern in line

How to replace all of the spaces in each line after XXX string?

Input sample data:

aaaaaa bbbbbb cccc XXX aaaaa bbbbbbb
cccccccc eeeeeeeeee XXX aaa bbbb cccc ddd
aaaa bbbb ddd ee XXX aaa bbb dddd eee

Output sample data:
aaaaaa bbbbbb cccc XXX_aaaaa_bbbbbbb
cccccccc eeeeeeeeee XXX_aaa_bbbb_cccc_ddd
aaaa bbbb ddd ee XXX aaa_bbb_dddd_eee

 

Zero width patterns are helpful here. Try,

:%s/\(XXX.*\)\@<=\s/_/g

Here, the expression says, any whitespace (\s) that is preceded by "XXX.*" be replaced with "_".

:help \@<=

Regards,

-Arun 

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