GNU bug report logs - #50845
Color capturing groups in query replace regexp

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: ndame <laszlomail <at> protonmail.com>
To: "Bug reports for GNU Emacs,
 the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
Subject: Color capturing groups in query replace regexp
Date: Mon, 27 Sep 2021 12:54:45 +0000

When doing some complex capturing and replacing it could be helpful to see what each of the groups captured.

So instead of coloring the match with a single color when query replacing, the part captured by the first parens
has one color, the second capturing group a different color, etc. and after replacing if the user used a
comma to replace but not move point to the next match, the same colors indicate the replacement texts for the
corresponding groups.

And the matching parts outside of parens can have the same face which qrr currently uses.

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