Re: Query replace question

[Eric Abrahamsen]

Robert Pluim <rpluim@gmail.com> writes:

>>>>>> On Thu, 17 Mar 2022 12:19:52 +0100, Ergus <spacibba@aol.com> said:
>
>     Ergus> Hi:
>     Ergus> I am wondering if there is some functionality in vanilla to enable
>     Ergus> dynamic match highlight during query replace or query-replace regex
>     Ergus> while composing the regex? Similar to isearch lazy highlight,
>     Ergus> regex-highlight or re-builder; but for query-replace and the rest 
> of the
>     Ergus> replace family?
>
> You can search with isearch and then switch to query-replace with M-%
> from within isearch.

There's also re-builder, which is interactive. It can sort of serve as a
replacement for `isearch-forward-regexp', or you can copy the regexp
once you've got it right, and use it in regexp replace.