GNU bug report logs - #52558
Option for easier typing of regexps

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From: Juri Linkov <juri <at> linkov.net>
To: ndame <laszlomail <at> protonmail.com>
Cc: 52558 <at> debbugs.gnu.org
Subject: bug#52558: Option for easier typing of regexps
Date: Sun, 19 Dec 2021 20:48:18 +0200

>>> Such option already exists, and it allows using custom regexp syntax
>>> both for isearch and query-replace:
>>
>> Interesting, though its help mentions only isearch, so if I start
>> M-x query-replace-regexp directly, it doesn't seem affected.
>
> If you want to use M-x query-replace directly,
> then simpler would be add replace-regexp-function
> that you can use with:
>
> (setq replace-regexp-function

And additional change is needed for correct highlighting:

diff --git a/lisp/replace.el b/lisp/replace.el
index 0e81b15a09..4302868520 100644
--- a/lisp/replace.el
+++ b/lisp/replace.el
@@ -2690,7 +2693,8 @@ replace-highlight
   (if query-replace-lazy-highlight
       (let ((isearch-string search-string)
 	    (isearch-regexp regexp-flag)
-	    (isearch-regexp-function (or delimited-flag
+	    (isearch-regexp-function (or replace-regexp-function
+                                         delimited-flag
 					 (and replace-char-fold
 					      (not regexp-flag)
 					      #'char-fold-to-regexp)))

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