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Re: How to read an integer from the minibuffer

From: Po Lu
Subject: Re: How to read an integer from the minibuffer
Date: Thu, 11 Nov 2021 13:11:45 +0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux)

Marcin Borkowski <> writes:

> 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?
> TIA,

Perhaps you're looking for `read-number'?

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