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From: <tomas@tuxteam.de>
To: help-gnu-emacs@gnu.org
Subject: Re: How to read an integer from the minibuffer
Date: Fri, 12 Nov 2021 21:24:25 +0100	[thread overview]
Message-ID: <20211112202423.GA25370@tuxteam.de> (raw)
In-Reply-To: <YY7IQj8f24FBtzkm@protected.localdomain>

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On Fri, Nov 12, 2021 at 11:02:10PM +0300, Jean Louis wrote:
> Improved check for number:
> 
> (defun string-is-number-p (s)
>   "Return number only if string is actual number, otherwise NIL."
>   (let* ((s (string-trim s)))
>     (cond ((seq-empty-p s) nil)
> 	  ((string-match "[^0123456789\\.-]" s) nil)
> 	  ((string-match "-" s 1) nil)
> 	  ((numberp (string-to-number s)) (string-to-number s)))))

Why not simply numberp?

  (and (numberp s) (string-to-number s))

Cheers
 - t

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  reply	other threads:[~2021-11-12 20:24 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
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 [this message]
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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