From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jean Louis Newsgroups: gmane.emacs.help Subject: Re: Determining existence of text following point Date: Tue, 18 May 2021 14:56:35 +0300 Message-ID: References: <87cztpx8oz.fsf@ericabrahamsen.net> <87zgwsx5r3.fsf@ericabrahamsen.net> <20210518110743.GC11623@tuxteam.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="40653"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/2.0.6 (2021-03-06) Cc: help-gnu-emacs@gnu.org To: Christopher Dimech Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue May 18 14:04:40 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 1liySm-000AMJ-6x for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 18 May 2021 14:04:40 +0200 Original-Received: from localhost ([::1]:57114 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1liySk-0002Vb-VJ for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 18 May 2021 08:04:38 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40172) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1liyN8-0006EE-Sk for help-gnu-emacs@gnu.org; Tue, 18 May 2021 07:58:51 -0400 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:58771) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1liyN2-0006Fs-95 for help-gnu-emacs@gnu.org; Tue, 18 May 2021 07:58:47 -0400 Original-Received: from localhost ([::ffff:154.230.124.187]) (AUTH: PLAIN admin, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 00000000000ADF02.0000000060A3ABF0.00000972; Tue, 18 May 2021 04:58:39 -0700 Mail-Followup-To: Christopher Dimech , tomas@tuxteam.de, help-gnu-emacs@gnu.org Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=217.170.207.13; envelope-from=bugs@gnu.support; helo=stw1.rcdrun.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, 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: 2.1.23 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:129870 Archived-At: * Christopher Dimech [2021-05-18 14:27]: > > > (setq sa (string-match "[^[:blank:]]" " ")) > I find the description different from what string-match actually > returns. The symbol ^ means "not following", and that regular expression means match non-blanks. (string-match "[^[:blank:]]" " ") ⇒ nil (string-match "[[:blank:]]" " ") ⇒ 0 -- Jean Take action in Free Software Foundation campaigns: https://www.fsf.org/campaigns Sign an open letter in support of Richard M. Stallman https://stallmansupport.org/ https://rms-support-letter.github.io/