From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Newsgroups: gmane.emacs.bugs Subject: bug#37659: rx additions: anychar, unmatchable, unordered-or Date: Thu, 24 Oct 2019 11:09:36 +0200 Message-ID: <015233FF-2F66-4150-A6B3-A21AB2147CC8@acm.org> References: <88571301-3F15-428F-82F9-60A23D817EF8@acm.org> <1A5B8E3D-B147-4B89-BFAE-50DCB0A64D3B@acm.org> <9016eb3d-7d58-5950-862a-13db4c7ff32b@cs.ucla.edu> <235cea28-99cc-44d6-bc20-ccd8c9e31f44@default> Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="176279"; mail-complaints-to="usenet@blaine.gmane.org" Cc: Paul Eggert , 37659@debbugs.gnu.org To: Drew Adams Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Oct 24 11:16:59 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iNZEo-000jbp-03 for geb-bug-gnu-emacs@m.gmane.org; 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Thu, 24 Oct 2019 05:09:57 -0400 X-Authenticated-User: mattiase@bredband.net DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megamailservers.eu; s=maildub; t=1571908180; bh=wPkPLGrt7rlcD8WES3UG+Ys4/o2/dWIoO8DcmfdN3wY=; h=Subject:From:In-Reply-To:Date:Cc:References:To:From; b=RwhDk4IWK5V7sypEQN1p+WNE15iFDgHTKoD1j4oH7NJzDHop/CbsTfX1CwQ/Q4KaX RGgocwuydR2wIjU9SOIEVG8MLSzesshZwET5kLTstlxpnFDlj/ml9igL3udDBdfMU/ al/1yWNah4QHo5Nj1LfMS56btbbmEY6LufXoIi1o= Feedback-ID: mattiase@acm.or Original-Received: from [192.168.0.4] (c188-150-171-71.bredband.comhem.se [188.150.171.71]) (authenticated bits=0) by mail102c50.megamailservers.eu (8.14.9/8.13.1) with ESMTP id x9O99bQM022605; Thu, 24 Oct 2019 09:09:39 +0000 X-Priority: 3 In-Reply-To: <235cea28-99cc-44d6-bc20-ccd8c9e31f44@default> X-Mailer: Apple Mail (2.3445.104.11) X-CTCH-RefID: str=0001.0A0B0211.5DB16A54.001D, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0 X-CTCH-VOD: Unknown X-CTCH-Spam: Unknown X-CTCH-Score: 0.000 X-CTCH-Flags: 0 X-CTCH-ScoreCust: 0.000 X-CSC: 0 X-CHA: v=2.3 cv=R8J95uZX c=1 sm=1 tr=0 a=SF+I6pRkHZhrawxbOkkvaA==:117 a=SF+I6pRkHZhrawxbOkkvaA==:17 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=kj9zAlcOel0A:10 a=M51BFTxLslgA:10 a=yPCof4ZbAAAA:8 a=xg_X2wpL1sc-Wf8Wpl4A:9 a=CjuIK1q_8ugA:10 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:170113 Archived-At: 24 okt. 2019 kl. 03.56 skrev Drew Adams : >=20 > Is there an identifiable subset of rx features > (operators, functions, thingies, or whatever > its composable pieces are called) that map > (even if not one-to-one) to regexp syntax > components? Almost all of rx maps one-to-one to the string regexp syntax. The rx = docs mention the corresponding string regexps for most forms. In addition, rx is self-explaining in the sense that a user curious = about what a particular expression means needs only to evaluate (rx = SOMETHING) to get the translation. (There are external packages for = going in the other direction.)