From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: string to digits only (was: Re: `string-to-number' 0 (was: Re: count matches in string, not region?)) Date: Wed, 26 Feb 2020 07:13:47 +0100 Message-ID: <87tv3dg9k4.fsf_-_@ebih.ebihd> References: <87a756gedt.fsf@ebih.ebihd> <875zfugdip.fsf@ebih.ebihd> <871rqigcs7.fsf_-_@ebih.ebihd> Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="92716"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:6BcXwgHriV1yQBck27wZCMv3v/A= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Wed Feb 26 07:14:19 2020 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 1j6pxa-000O1c-VA for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 26 Feb 2020 07:14:18 +0100 Original-Received: from localhost ([::1]:38536 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j6pxa-0006xF-1Z for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 26 Feb 2020 01:14:18 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39449) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j6pxG-0006x3-SF for help-gnu-emacs@gnu.org; Wed, 26 Feb 2020 01:13:59 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j6pxF-0005vK-OT for help-gnu-emacs@gnu.org; Wed, 26 Feb 2020 01:13:58 -0500 Original-Received: from ciao.gmane.io ([159.69.161.202]:42140) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j6pxF-0005uQ-I2 for help-gnu-emacs@gnu.org; Wed, 26 Feb 2020 01:13:57 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1j6pxC-000NaN-1o for help-gnu-emacs@gnu.org; Wed, 26 Feb 2020 07:13:54 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 159.69.161.202 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 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:122473 Archived-At: > [...] it reads the curly brackets as well! OK, > question two, how do you drop everything from > a string that isn't an integer? This is perhaps a good way: (string-to-number (replace-regexp-in-string "[^0-9]" "" "{978-1-61262-294-1}")) ; 9781612622941 -- underground experts united http://user.it.uu.se/~embe8573 https://dataswamp.org/~incal