GNU bug report logs - #48009
28.0.50; Support query-regexp-replace using re-builder

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

From: Phil Sainty <psainty <at> orcon.net.nz>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.0.50; Support query-regexp-replace using re-builder
Date: Sun, 25 Apr 2021 15:36:07 +1200

It would be nice to be able to use `re-builder' to interactively
craft a regexp to pass to `query-replace-regexp' in a streamlined
manner.

Here's a starter, which you can call from `re-builder'.

 (defun reb-query-replace-regexp ()
   "Invoke `query-replace-regexp' in the target buffer."
   (interactive)
   (let ((from (reb-target-binding reb-regexp)))
     (with-selected-window reb-target-window
       (with-current-buffer reb-target-buffer
         (let ((to (query-replace-read-to from "Query replace regexp" t)))
           (query-replace-regexp from to))))))

 (define-key reb-mode-map (kbd "C-c %") #'reb-query-replace-regexp)
 (define-key reb-lisp-mode-map (kbd "C-c %") #'reb-query-replace-regexp)


A complete solution would presumably support the other
`query-replace-regexp' arguments.

I initially wondered about a command for "query-replace-regexp but
automatically using re-builder" (i.e. instead of typing M-C-%), but
I'm not sure that would be very different to just binding `re-builder'
to a key, as you'd still need a custom binding from inside re-builder
to say you were done.  Perhaps such a command would automatically
close the re-builder buffer once the replacements stopped, though?

What do people think?


-Phil


In GNU Emacs 28.0.50 (build 8, x86_64-pc-linux-gnu, X toolkit, cairo version 1.15.10, Xaw3d scroll bars)
 of 2021-04-18 built on shodan
Repository revision: 75c898edc3d7e06b589ce42917ae56e0c40082ac
Repository branch: feature/native-comp
Windowing system distributor 'The X.Org Foundation', version 11.0.12008000
System Description: Ubuntu 18.04.5 LTS

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