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bug#52558: Option for easier typing of regexps
From: |
Juri Linkov |
Subject: |
bug#52558: Option for easier typing of regexps |
Date: |
Sun, 19 Dec 2021 19:01:40 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (x86_64-pc-linux-gnu) |
> I use query replace regexp a lot, as I imagine other people do, and I
> always found that typing capturing groups and alternation is clumsy,
> because they have to be escaped, and they are the ones needed
> most often: \(...\) \|
>
> There could be a user option to make these easier to type by providing
> a variable which controls which characters need escaping in
> interactive mode, so the user could list those characters for which
> the escaping rules are reversed when typing in the regexp replace
> prompt.
Such option already exists, and it allows using custom regexp syntax
both for isearch and query-replace:
(setq search-default-mode
(lambda (s &optional _lax)
(let ((chars '("|" "(" ")"))
(placeholder (format "@placeholder%s@"
(int-to-string
(buffer-modified-tick)))))
(dolist (char chars)
(setq s (replace-regexp-in-string
placeholder char
(replace-regexp-in-string
char (concat "\\\\" char)
(replace-regexp-in-string
(concat "\\\\" char) placeholder
s)))))
s)))
The same way more choices could be added easily to this user option,
such as `pcre' or `rx'.
- bug#52558: Option for easier typing of regexps, (continued)
- bug#52558: Option for easier typing of regexps, Richard Stallman, 2021/12/17
- bug#52558: Option for easier typing of regexps, Lars Ingebrigtsen, 2021/12/19
- bug#52558: Option for easier typing of regexps, Michael Heerdegen, 2021/12/19
- bug#52558: Option for easier typing of regexps, Richard Stallman, 2021/12/19
- bug#52558: Option for easier typing of regexps, Jim Porter, 2021/12/20
- bug#52558: Option for easier typing of regexps,
Juri Linkov <=
- bug#52558: Option for easier typing of regexps, ndame, 2021/12/19
- bug#52558: Option for easier typing of regexps, Juri Linkov, 2021/12/19
- bug#52558: Option for easier typing of regexps, Juri Linkov, 2021/12/19
- bug#52558: Option for easier typing of regexps, Juri Linkov, 2021/12/28
- bug#52558: Option for easier typing of regexps, Eli Zaretskii, 2021/12/28
- bug#52558: Option for easier typing of regexps, Juri Linkov, 2021/12/28
- bug#52558: Option for easier typing of regexps, Eli Zaretskii, 2021/12/28
- bug#52558: Option for easier typing of regexps, Juri Linkov, 2021/12/28