From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.help Subject: Re: How to read an integer from the minibuffer Date: Fri, 12 Nov 2021 00:37:01 +0000 Message-ID: <993162c2a13d5ea3b0aa@heytings.org> References: <87ee7nqomk.fsf@mbork.pl> <87v90ybymh.fsf@zoho.eu> <87y25u9pzj.fsf@zoho.eu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="38542"; mail-complaints-to="usenet@ciao.gmane.io" Cc: help-gnu-emacs@gnu.org To: Emanuel Berg Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri Nov 12 01:37:31 2021 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mlKZP-0009p4-6k for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 12 Nov 2021 01:37:31 +0100 Original-Received: from localhost ([::1]:35234 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mlKZN-0007yR-6s for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 11 Nov 2021 19:37:29 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:41084) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mlKZ0-0007y0-2z for help-gnu-emacs@gnu.org; Thu, 11 Nov 2021 19:37:06 -0500 Original-Received: from heytings.org ([95.142.160.155]:35022) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mlKYx-0002aI-Qt for help-gnu-emacs@gnu.org; Thu, 11 Nov 2021 19:37:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20210101; t=1636677421; bh=Rkd3q/Httk4xyjrQE7mN6t6NVT6KiIZBEVQqBQBTxqo=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=JmSKVtShH4HRTwoovmVjvOdn/JuqAgl0LH/PVYr5FETxOs9IQMfehdcRXMjFupkJX 1QyygBm05qXVGB8Ao+Int5nzxX7KL66uHOfpDf1jk27UE/rnEKGRTo0vUNXFSBLRMi KL9hzF6sQqZ51TmLTKU+3ehlWbO/s8InUZMed8HGKIt5P0OB6VjIo1nUP58XK5F8zR sLzr58JnWSySMvsn3evMpR/3ErmW0RLdfGbTk+FRhzsre2oUsx/LPPTrjBZ0fmHCG1 kvP2Mx5G7hKM8Ln8aCh+Bu/HtLA4Eu2hDDsDqnBhvo4qwCRkWxw4NTs3JxFwTg8xEo xAOJt4rAGyX0g== In-Reply-To: <87y25u9pzj.fsf@zoho.eu> Received-SPF: pass client-ip=95.142.160.155; envelope-from=gregory@heytings.org; helo=heytings.org X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:134504 Archived-At: > > Rather, I meant show how to use the second solution to solve > the OPs example, i.e. to read an integer and only an integer. > Just use (restricted-read-from-minibuffer "Integer? " "^[0-9][0-9]*$") instead of (restricted-read-from-minibuffer "Integer? " "^[0-9][0-9]*$" "0123456789") > > I get if: Wrong number of arguments: string-match, 4 > The fourth argument is new in Emacs 29, indeed. >> (BTW, it seems that there's no way in Elisp to "expand" a regexp >> charset, e.g. "[0-9]" into "0123456789". That would make the >> ALLOWED-CHARS argument easier to type in.) > > There is such a package, xr - the reverse of rx, LOL :) > > https://elpa.gnu.org/packages/xr.html > Apparently it doesn't do what I want here, namely converting "[0-9]" into "0123456789", "[0-9a-f]" into "0123456789abcdef", and so forth.