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: [SOLVED] Re: (rx regexp to remove space and new lines Date: Tue, 13 Sep 2022 07:01:22 +0300 Message-ID: References: <87o7vk56ya.fsf@web.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="18522"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/+ () (2022-06-11) Cc: help-gnu-emacs@gnu.org To: Michael Heerdegen Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Sep 13 06:12:27 2022 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 1oXxHf-0004es-F4 for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 13 Sep 2022 06:12:27 +0200 Original-Received: from localhost ([::1]:54416 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oXxHe-0005se-9u for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 13 Sep 2022 00:12:26 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38526) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oXxH9-0005sN-3j for help-gnu-emacs@gnu.org; Tue, 13 Sep 2022 00:11:55 -0400 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:52919) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oXxH6-0005zb-UE for help-gnu-emacs@gnu.org; Tue, 13 Sep 2022 00:11:54 -0400 Original-Received: from localhost ([::ffff:197.239.4.238]) (AUTH: PLAIN admin, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 00000000000B5AC5.0000000063200306.00000B3A; Mon, 12 Sep 2022 21:11:49 -0700 Mail-Followup-To: Michael Heerdegen , help-gnu-emacs@gnu.org Content-Disposition: inline In-Reply-To: <87o7vk56ya.fsf@web.de> Received-SPF: pass client-ip=217.170.207.13; envelope-from=bugs@gnu.support; helo=stw1.rcdrun.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_SBL=0.141, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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:139432 Archived-At: * Michael Heerdegen [2022-09-13 05:45]: > Jean Louis writes: > > > (rx (one-or-more (or "\n" (any whitespace)))) > > It had been mentioned that newlines count as whitespace. And > (any CHARCLASS) can be simplified to CHARCLASS. And you probably want > greedy matching. You get: > > (rx (+ whitespace)) That makes sense, but how? (defun rcd-string-clean-whitespace (s) "Return trimmed string S after cleaning whitespaces greedy." (replace-regexp-in-string ;; (rx (one-or-more (or "\n" (any whitespace)))) (rx (one-or-more (+ whitespace))) " " (string-trim s))) (rcd-string-clean-whitespace " hello there and I am her e") ⇒ "hello there and I am her e" it works here in this buffer, but in other Emacs buffer it does not work. This is maybe because whitespace is defined diffrently per buffer? Anyway, in emacs -Q it does not work when I use: (rx (one-or-more (+ whitespace))) Until I understand it, I have to stay with this version: (defun rcd-string-clean-whitespace (s) "Return trimmed string S after cleaning whitespaces greedy." (replace-regexp-in-string (rx (one-or-more (or "\n" (any whitespace)))) ;; (rx (one-or-more (+ whitespace))) " " (string-trim s))) as it works in this buffer and in other buffers. (rcd-string-clean-whitespace " hello there and I am her e") ⇒ "hello there and I am her e" -- Jean Take action in Free Software Foundation campaigns: https://www.fsf.org/campaigns In support of Richard M. Stallman https://stallmansupport.org/