From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: =?utf-8?Q?Daniel_Mart=C3=ADn?= Newsgroups: gmane.emacs.devel Subject: Re: Make regexp handling more regular Date: Wed, 02 Dec 2020 22:28:31 +0100 Message-ID: References: <87lfeg60iy.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="5969"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (darwin) Cc: emacs-devel@gnu.org To: Lars Ingebrigtsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Dec 02 22:29:30 2020 Return-path: Envelope-to: ged-emacs-devel@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 1kkZgn-0001RK-Vc for ged-emacs-devel@m.gmane-mx.org; Wed, 02 Dec 2020 22:29:29 +0100 Original-Received: from localhost ([::1]:57166 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kkZgn-0007HW-0W for ged-emacs-devel@m.gmane-mx.org; Wed, 02 Dec 2020 16:29:29 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34396) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kkZg3-0006lB-Mn for emacs-devel@gnu.org; Wed, 02 Dec 2020 16:28:43 -0500 Original-Received: from sonic308-18.consmr.mail.ir2.yahoo.com ([77.238.178.146]:42750) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kkZg0-0006mo-3W for emacs-devel@gnu.org; Wed, 02 Dec 2020 16:28:43 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.es; s=s2048; t=1606944514; bh=hrHNd3DEDfP118LTe1HQK74j6mBbSKmklaWY1wnxhXQ=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From:Subject; b=LhCAduIzoret9Q64u0wC5QZgaFhnK0tgEE5gpiNkc2CkXsd4QV3G98YoJT7eVhYUxxP66UfmCZJEs22NmEjYDylG3gB3fGfV7BPIV5MbFs7coMooZx4SQW94ojScBuGmiJBsxthSm0uvfCB1jvzZLxE10bTWaPnyHNe6dZcLdK4zqtooUVBKEBgJvNdv8LqXWHa8Fk9oEObC1R0oFXORQ/BjhKdt6ghEtpnKrKOwQeFiL/de5bZjukDUrDs0RaZC1rxZlTQ54nzhd10Oyc3bW82n3pKET08X6WZ00wvrgencG4CGHbvrd5/OEOVYDIfnjLXdc6EX1stXWPE3Nv0/CA== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1606944514; bh=mYVgK4n5ujPbyaQkytC0epWA6Vn5z7/XScYpDsSdknC=; h=From:To:Subject:Date:From:Subject; b=hgSgLqUocr86H4Edi36Jrhp2kxiltYsSAm/hMg4HhJ1CxPUQOT5gHbOjzAt2h2tQtt0tZTnI2FVo4+8IZrL1u9ObpEY8GEHiT6x5P1H2A7GbLAnHxfN2r5edivDrg8Ga7jE6TDD9l5HFVKUondE5wtiW7vnRgDXO6hklP6zIR0LaZ2JqCWeYMt7/E6o/M6dWVT3U391gSOH56a+yLlQlP0ku/XtJpOUTtt/fMz4J3K03l/goND+7l1hlcGZyaD1cSkniGWdxYPPtyqNtfMqM3eRuuXQPJwWFI33zm51IO5Ow3kbmi8kagDhqbcLtuiUSHRCMxm/ycoAPmpseDgHKGw== X-YMail-OSG: ZGUQjfMVM1lAkMZkpmHhKCjk5S3qzsbvVzJyu43Vjq_g1Hf.30APy4zX9pRxG70 DzcpvQf7TaVzJWuHSa5XCYngyBhjlP4Gjl.IopJPi8biHbcoijaj3SoaC6qMtUbqkKpji89njjWG RDRq6RWgWbz_3rXOHzZ8SirbpfpvbvQHTaxTCPsvkCG0vPAKzGafpXTHRRa.H2nQRR_vPqboaseq XG9lCcDflcTL4eBdKpetV_mwyh5gwM9T.0Srfjsx3LplvkxlVsO1jxhtr3aWIAqSXPmDiSwdjQMT baJYk7XcwZGXzWC4mZhQIjsDhbKnh6kZmQbotiLvaoS25AkEYfVRZayhn3zz3Vv3k0oKw4baGChH VNrJAwpqItU2awVDlT.P2eR1Gdx50TH4YWBEijcS1YlXmxHOnsx7BN.9LNGahwpZZXi4n2uksaYT lvEKLRF92x5UT1XQL71VHEidbAwSARkOSWyHk63UkeJLNfvaR2sL.tQ8PAFWPVesvJI1.XjvLv2g M.3Vk.ouWDrozNZsbHJwXYlYobZmxlA6yJcFdY1c_eSlqKra2MlfYJzy9Qc0fiNkRZmH1.xNPfFn xN5sm0CXD5Q.hAtrk3Rj4ZqWZan2uMLyhnWtUzzh90y2GJZGBKOMbXAo.q9TiHmbmC21jC25n42v 0bnnxvSyWFzL9L2rx1OpyziW5lmgU3.BQ1_2j8hB0ux6LBe.AIt_SX3Vp3Po5sf3qGmcG9.JEhBn nyyi0gdcjty0GUOI4d7OZ_.BY4ED2d95acEuxTMV17jZEeZ2AneS8hvMZM3k5nXdKWjyuzoO..O. .7vWiurEI.emQmYk0LL.Wcz.5Jd3l8QzXgoiFrldgZ Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic308.consmr.mail.ir2.yahoo.com with HTTP; Wed, 2 Dec 2020 21:28:34 +0000 Original-Received: by smtp420.mail.ir2.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID e17ecbcd4e860faec1c3ee79c38d3cc2; Wed, 02 Dec 2020 21:28:32 +0000 (UTC) In-Reply-To: <87lfeg60iy.fsf@gnus.org> (Lars Ingebrigtsen's message of "Wed, 02 Dec 2020 10:05:25 +0100") X-Mailer: WebService/1.1.17111 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Apache-HttpAsyncClient/4.1.4 (Java/11.0.8) Received-SPF: pass client-ip=77.238.178.146; envelope-from=mardani29@yahoo.es; helo=sonic308-18.consmr.mail.ir2.yahoo.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:260188 Archived-At: Lars Ingebrigtsen writes: > > (when (setq match (rx-search-forward "p[a-z]+" nil t)) > (with-temp-buffer > (insert (match match 0)) > (buffer-string))) > The way other Lisp-like languages like Clojure work is by returning either nil (if no match), a string (if the regular expression matched the string and didn't have any capture group), or a vector where the first element is the entire match and the rest of elements are the group matches. I think it's a nice API, specially because you can use destructuring on the return value to discern the cases.