From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Heime Newsgroups: gmane.emacs.help Subject: Re: Matching labels with buttons Date: Mon, 15 Jul 2024 12:58:05 +0000 Message-ID: References: <87r0bug978.fsf@rub.de> <87msmig6lz.fsf@rub.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4016"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Heime via Users list for the GNU Emacs text editor To: Stephen Berman Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jul 15 14:58:47 2024 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 1sTLHy-0000qC-Iw for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 15 Jul 2024 14:58:46 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sTLHV-0003Ro-0E; Mon, 15 Jul 2024 08:58:17 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sTLHS-0003KA-HJ for help-gnu-emacs@gnu.org; Mon, 15 Jul 2024 08:58:14 -0400 Original-Received: from mail-40137.protonmail.ch ([185.70.40.137]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sTLHQ-0007ce-Iu for help-gnu-emacs@gnu.org; Mon, 15 Jul 2024 08:58:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail3; t=1721048290; x=1721307490; bh=gXQQ863IcqLu1xe507pwRjeLGx1tpvejBFmijZmEJAA=; h=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References: Feedback-ID:From:To:Cc:Date:Subject:Reply-To:Feedback-ID: Message-ID:BIMI-Selector; b=AXF58BjEhldcZGPQ7+25zr4bAGgFAsTCYb8gACGXILH+WDf9KQ+JoeecBteY4+GhU lAnfMsfUBuyw3g1U401WV5F04GdDhZW0j9JwDf+uVNxXgiE+biuoPoo5W1vkLrFUCE dzG2k9C+jDcnSlFSbBpoxlZdM6psmEVhwofTKI08UWC2vm2Lcp1rpAWaJRHpz2GqCz mMRdcJaGQ2VWjOIkEZwBCz04c5atks2pv1pjioyERk0IwJImhvCX1au0jGFEV1+Zdw C56Mihs8mpWiYbdgOEyW6jyv38B/tK+siBd566iTIGaJQFYddATzrJpTx2SVI7HKGZ vJXpBzYzOslJw== In-Reply-To: <87msmig6lz.fsf@rub.de> Feedback-ID: 57735886:user:proton X-Pm-Message-ID: f534b1edea53bb7b94ce6c4d5650948e5b72fa64 Received-SPF: pass client-ip=185.70.40.137; envelope-from=heimeborgia@protonmail.com; helo=mail-40137.protonmail.ch X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:147221 Archived-At: Sent with Proton Mail secure email. On Tuesday, July 16th, 2024 at 12:52 AM, Stephen Berman wrote: > On Mon, 15 Jul 2024 12:35:53 +0000 Heime heimeborgia@protonmail.com wrote= : >=20 > > On Monday, July 15th, 2024 at 11:56 PM, Stephen Berman > > stephen.berman@gmx.net wrote: > >=20 > > > On Mon, 15 Jul 2024 11:25:28 +0000 Heime heimeborgia@protonmail.com w= rote: > > >=20 > > > > Sent with Proton Mail secure email. > > > >=20 > > > > On Monday, July 15th, 2024 at 11:17 PM, Heime heimeborgia@protonmai= l.com wrote: > > > >=20 > > > > > I want to match cases such as > > > > >=20 > > > > > Label [-] > > > > >=20 > > > > > Have constructed the following regexp, but it does not match the = above > > > > >=20 > > > > > "\\(.\\)\\(\\s-\\[\\-\\]\\s-\\)" > > > > >=20 > > > > > I aw using > > > > >=20 > > > > > (when (string-match "\\(.\\)\\(\\s-\\[\\-\\]\\s-\\)" text) > > > >=20 > > > > In the code I have > > > >=20 > > > > (if (string-match "\\(\\s-\\[\\-\\]\\s-\\)\\(.*\\)" label) ; [-] LB > > > >=20 > > > > (progn > > > > (setq bt (match-string 1 label)) > > > > (setq lb (match-string 2 label)) > > > > (setq result > > > > (concat bt (propertize lb 'face '(:foreground "red"))))) > > > >=20 > > > > (when (string-match "\\(.\\)\\(\\s-\\[\\-\\]\\s-*\\)" label) ; LB [= -] > > > >=20 > > > > (setq lb (match-string 1 label)) > > > > (setq bt (match-string 2 label)) > > > > (setq result > > > > (concat (propertize lb 'face '(:foreground "red")) bt))) > > > >=20 > > > > Doing some tests with > > > >=20 > > > > "OFF [-]" > > > >=20 > > > > keeps matching the first string-match > > >=20 > > > That's because your regexp isn't anchored, so string-match succeeds i= f > > > it finds a match anywhere in the string passed to it. To avoid this, > > > start the regexp with "\\`", which anchors it to the start of the str= ing > > > being matched against; see (info "(elisp) Regexp Backslash"). > > >=20 > > > Steve Berman > >=20 > > I would like to have two regex expressions, one to match only " [-] LAB= EL " and > > another to match only " LABEL [-] ". With any number of whitespace. > >=20 > > Can one use "^" ? Or is "\\`" preferred ? >=20 >=20 > If you are always matching against a string, e.g. just using > string-match, then IIUC "^" and "\\`" give the same results. If you are m= atching against test in a buffer, e.g. with re-search-forward, looking-at e= tc., then they can differ: "^" matches the beginning the the line containin= g the matched string, "\\\\`" the beginning of the string > itself, regardless of where in the line it is (at point-min the results > are the same). >=20 > > And can one use "[[:space:]]" rather > > than "\\s-" ? Which is preferred ? >=20 >=20 > IIUC these both give the same results. >=20 > Steve Berman Would I introduce \\` before the first grouping "\\`\\(\\s-\\[\\-\\]\\s-\\)\\(.*\\)" How would I print \\` in a docstring ?