From: Gregory Heytings <gregory@heytings.org>
To: Marcin Borkowski <mbork@mbork.pl>
Cc: help-gnu-emacs@gnu.org
Subject: Re: How to read an integer from the minibuffer
Date: Thu, 11 Nov 2021 11:17:30 +0000 [thread overview]
Message-ID: <d46f031af8cb28dee665@heytings.org> (raw)
In-Reply-To: <87ee7nqomk.fsf@mbork.pl>
>
> I'd like to read an integer (or something else e.g. matching a regex)
> from a minibuffer. Basically, I'm after a version of `read-string', but
> either allowing only some characters, or accepting only input matching
> some regex (possibly both).
>
> How do I do that? One way would be to use `read-from-minibuffer' with a
> suitable keymap, but that seems slightly low-level. If that is the way
> to go, is there a good way to set up a keymap so that nothing except
> some specified characters are self-inserting? IOW, is `suppress-keymap'
> the way to go or is there some other way?
>
Another way:
(defun restricted-read-from-minibuffer (prompt regexp)
"Read a string matching REGEXP from the minibuffer, prompting with PROMPT."
(let ((s nil))
(while (progn
(setq s (read-from-minibuffer prompt))
(unless (string-match regexp s)
(message "Unexpected input.")
(sit-for 1)
t)))
s))
next prev parent reply other threads:[~2021-11-11 11:17 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-11 4:53 How to read an integer from the minibuffer Marcin Borkowski
2021-11-11 5:11 ` Po Lu
2021-11-11 7:18 ` Marcin Borkowski
2021-11-12 7:21 ` Yuri Khan
2021-11-13 6:59 ` Marcin Borkowski
2021-11-13 8:43 ` tomas
2021-11-13 7:33 ` Jean Louis
2021-11-16 6:39 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-16 7:37 ` Yuri Khan
2021-11-16 8:00 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-11 6:27 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-11 10:25 ` Gregory Heytings
2021-11-11 10:28 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-11 11:00 ` Gregory Heytings
2021-11-11 13:20 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-11 11:17 ` Gregory Heytings [this message]
2021-11-11 13:39 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-11 14:30 ` Gregory Heytings
2021-11-12 0:28 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-12 0:37 ` Gregory Heytings
2021-11-12 0:41 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-12 0:52 ` Gregory Heytings
2021-11-12 0:57 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-12 19:05 ` Jean Louis
2021-11-12 19:25 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-12 19:55 ` Jean Louis
2021-11-12 21:14 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-13 6:37 ` Jean Louis
2021-11-16 6:21 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-12 19:56 ` Jean Louis
2021-11-12 20:02 ` Jean Louis
2021-11-12 20:24 ` tomas
2021-11-12 21:15 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-12 21:30 ` tomas
2021-11-12 21:34 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-13 6:46 ` Jean Louis
2021-11-13 7:32 ` tomas
2021-11-16 6:24 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-13 6:36 ` Jean Louis
2021-11-13 8:17 ` tomas
2021-11-13 8:44 ` Jean Louis
2021-11-16 6:15 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-16 6:03 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-12 1:09 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-12 1:12 ` Gregory Heytings
2021-11-12 3:07 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-12 6:21 ` Marcin Borkowski
2021-11-16 7:52 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-16 8:05 ` Yuri Khan
2021-11-16 9:38 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-16 11:18 ` Yuri Khan
2021-11-16 11:37 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-16 11:52 ` Yuri Khan
2021-11-16 12:00 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-11-16 13:10 ` Emanuel Berg via Users list for the GNU Emacs text editor
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