4

I want to insert subsequent numbers whenever there a regex matches.

I do this in terminal using for command and either perl or sed.

Is there a way to do this in vim?

Basically I want this:

 This is a command

To turn to this:

 This is a1 comma2nd

where I am using the regex a

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  • 1
    If you have a command that reads a file from stdin and outputs it to stdout, named addMatchNumbers that takes as its first argument the regex, you could use vim filters : eg write :%! addMatchNumbers a
    – edi9999
    Commented Sep 17, 2015 at 12:01

1 Answer 1

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One way:

let g:i = 0
function! Increment()
    let g:i = g:i + 1
    return g:i
endfunction

And then:

:%s/pattern/\=submatch(0) . Increment()/g

BTW, this question is pretty similar.

2
  • Or just :%s/pattern\zs/\=Increment()/g. Exercise to the astute reader: make Increment() reset the counter at the beginning of each line, rather than count occurrences from the beginning of file. Commented Sep 18, 2015 at 6:47
  • Nice :) (To reset counter, I'd rather use :global with let g:i = 0 followed by a similar substitution on current matching line).
    – VanLaser
    Commented Sep 18, 2015 at 7:41

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