From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Oliver Scholz Newsgroups: gmane.emacs.help Subject: Re: regexp and strings you don't want Date: Fri, 29 Aug 2003 22:38:48 +0200 Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Message-ID: References: <6c185cf3.0308251145.6af55ffc@posting.google.com> <844r02luds.fsf@slowfox.is.informatik.uni-duisburg.de> <84isogutgt.fsf@slowfox.is.informatik.uni-duisburg.de> NNTP-Posting-Host: deer.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: sea.gmane.org 1062190566 2511 80.91.224.253 (29 Aug 2003 20:56:06 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Fri, 29 Aug 2003 20:56:06 +0000 (UTC) Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Aug 29 22:56:04 2003 Return-path: Original-Received: from monty-python.gnu.org ([199.232.76.173]) by deer.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 19sqHr-0003v2-00 for ; Fri, 29 Aug 2003 22:56:04 +0200 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.22) id 19sqHP-0000sj-Ue for geh-help-gnu-emacs@m.gmane.org; Fri, 29 Aug 2003 16:55:35 -0400 Original-Path: shelby.stanford.edu!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.icl.net!newsfeed.fjserv.net!newsfeed.freenet.de!fu-berlin.de!uni-berlin.de!dialin-212-144-062-114.arcor-ip.NET!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 26 Original-NNTP-Posting-Host: dialin-212-144-062-114.arcor-ip.net (212.144.62.114) Original-X-Trace: news.uni-berlin.de 1062189541 12042932 212.144.62.114 (16 [87814]) X-Attribution: os X-Face: "HgH2sgK|bfH$; PiOJI6|qUCf.ve<51_Od(%ynHr?=>znn#~#oS>",F%B8&\vus),2AsPYb -n>PgddtGEn}s7kH?7kH{P_~vu?]OvVN^qD(L)>G^gDCl(U9n{:d>'DkilN!_K"eNzjrtI4Ya6; Td% IZGMbJ{lawG+'J>QXPZD&TwWU@^~A}f^zAb[Ru;CT(UA]c& User-Agent: Gnus/5.1002 (Gnus v5.10.2) Emacs/21.3.50 (windows-nt) Cancel-Lock: sha1:V/w/BSD9TfTaAyyiiVBXNL41Tz0= Original-Xref: shelby.stanford.edu gnu.emacs.help:116271 Original-To: help-gnu-emacs@gnu.org X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.2 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.org@gnu.org Xref: main.gmane.org gmane.emacs.help:12190 X-Report-Spam: http://spam.gmane.org/gmane.emacs.help:12190 kai.grossjohann@gmx.net (Kai Großjohann) writes: > Oliver Scholz writes: > >> I've played a bit with this (patch below). But I thing I am a bit >> puzzled. With my patch, `(rx (not top))' translates to: >> >> "\\(?:[^t]*\\|t[^o]*\\|to[^p]*\\)" >> >> Is this actually correct? > > Well, err, it depends. > > I guess one meaningful meaning of the hypothetical x\\(!:top\\)y would > be to look whether the characters following x are t-o-p. If so, then > fail. If not, then do like xy would have done. [...] Hmpf. I don't see a way to compile this to an ordinary Emacs regexp programatically. Is it actually possible, even with you trick? But maybe I am just a little bit slow this evening. Any thoughts? Oliver (time to go to bed now) -- 12 Fructidor an 211 de la Révolution Liberté, Egalité, Fraternité!