Is there a way to have s;/;|;g run only on the lines I filter using a regex?

I have a file, which looks like:

Date: 2017/08/18
Path /home/share/thing
Path /home/me/thing
Date: 2017/08/18
Path /home/share/thing
Date: 2017/08/18
Path /home/share/thing
Path /home/me/thing

Now this is simplified, but the point is I want to substitute the / on the lines beginning with Path, but not the ones beginning with Date. I can grab all of the lines with Path easily enough (:g/Path) and substitute all of the /s (:%s;/;|;g), but for substituting on the specific lines I only know how to give s a range, which doesn't help much.

It seems like it would be easiest if you could pipe the output of g to s, but I couldn't find anything on doing something like that.

  • If you don't mind, I will use this question as an example exercise in my plugin EXtend.vim. It just fits perfectly for the purpose of the plugin. Commented Sep 2, 2018 at 0:32
  • @SaulAxelMartinezOrtiz all content on Stack Exchange is licensed under CC BY-SA 3.0, so you can do what you like as long as you provide proper attribution
    – jpyams
    Commented Sep 4, 2018 at 2:09

1 Answer 1


You can "pipe" the lines from :g/ to :s. Really, this is a special case of using any command after the g//.


This is also documented explicitly at the bottom of the section :help :g

  • g/^Path/s;/;|;g lines beginning with Path, not lines containing it :) Commented Oct 31, 2017 at 10:08

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