Re: vim: how to use back reference to compare strings?

Hi,

I am not sure if I understand you correctly but you can use \(...\) and
and then reuse it with \1 (it matches the same string as what \(...\)
have matched).

Regards,
Marcin



On 00:44 Sat 10 Aug , ping song wrote:
> hi guys:
> I run into a scenario that , I need to compare 2 part of the regex string
> in one line :
>
> "abc123456 bla bla bla abc1234"
>
> so I'm thinking, can we use the backreference, to compare the first abc\d\+
> with the second one and only print out a message in case we detect the
> different ones ? preferably if this can be done with one command...
>
> thanks!
>
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