From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: pattern-identification-data-extraction-format-string Date: Mon, 23 Mar 2015 02:40:32 +0100 Organization: Aioe.org NNTP Server Message-ID: <87a8z4lcdr.fsf@debian.uxu> References: <87sicwlgk1.fsf@debian.uxu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1427074824 22441 80.91.229.3 (23 Mar 2015 01:40:24 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 23 Mar 2015 01:40:24 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Mar 23 02:40:20 2015 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YZrLm-0003We-FA for geh-help-gnu-emacs@m.gmane.org; Mon, 23 Mar 2015 02:40:18 +0100 Original-Received: from localhost ([::1]:53230 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YZrLl-0003bP-Gx for geh-help-gnu-emacs@m.gmane.org; Sun, 22 Mar 2015 21:40:17 -0400 Original-Path: usenet.stanford.edu!news.kjsl.com!feeder.erje.net!eu.feeder.erje.net!news2.arglkargh.de!news.mixmin.net!aioe.org!.POSTED!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 30 Original-NNTP-Posting-Host: feB02bRejf23rfBm51Mt7Q.user.speranza.aioe.org Original-X-Complaints-To: abuse@aioe.org User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) X-Notice: Filtered by postfilter v. 0.8.2 Cancel-Lock: sha1:7sYZegqGA3AiAfMbdSMVnK9bPz8= Mail-Copies-To: never Original-Xref: usenet.stanford.edu gnu.emacs.help:210976 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 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 Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:103257 Archived-At: Emanuel Berg writes: > Check this out: > > (car (last (message-tokenize-header "From: Joe > Hacker " "<>") )) ; => get@this.data > > Is there a more general way to do that, something > along the lines of: > > (pattern-identification-data-extraction-format-string > "From: Joe Hacker " ".*<%1>" "This is > the data I want: %1" ) I was directed to [1], section "Extracting submatches from a regex match", so I put together (let ((header "From: Joe Hacker ")) (save-match-data (string-match "<\\(.*\\)>" header) (match-string 1 header) )) ; => "get@this.data" Maybe my original solution to that particular problem is just as good, but I asked for a generic way and this seems to be it. [1] http://www.emacswiki.org/emacs/ElispCookbook -- underground experts united