From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: count matches in string, not region? Date: Wed, 26 Feb 2020 07:24:14 +0100 Message-ID: <87pne1g92p.fsf@ebih.ebihd> References: <87a756gedt.fsf@ebih.ebihd> Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="3493"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:MtuOIaHlNGnvrwLZyOaEEDIufg4= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Wed Feb 26 07:24:42 2020 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 1j6q7e-0000nk-Av for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 26 Feb 2020 07:24:42 +0100 Original-Received: from localhost ([::1]:38602 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j6q7d-0008Vn-E2 for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 26 Feb 2020 01:24:41 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:46141) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j6q7L-0008Vc-Og for help-gnu-emacs@gnu.org; Wed, 26 Feb 2020 01:24:24 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j6q7K-00060P-KV for help-gnu-emacs@gnu.org; Wed, 26 Feb 2020 01:24:23 -0500 Original-Received: from ciao.gmane.io ([159.69.161.202]:44098) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j6q7K-0005xt-EJ for help-gnu-emacs@gnu.org; Wed, 26 Feb 2020 01:24:22 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1j6q7I-0000UV-Rb for help-gnu-emacs@gnu.org; Wed, 26 Feb 2020 07:24:20 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 159.69.161.202 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 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" Xref: news.gmane.io gmane.emacs.help:122474 Archived-At: > Anyway as you see the 4th line doesn't look > good, instead of moving the point one would > like to invoke the/a count function with the > already-fetched isbn-as argument. > > So is there a count-matches-in-string or > something to that extent anywhere, that you > are aware of? Problem solved with `replace-regexp-in-string'. Can still be useful to count matches in a string, I guess... Yank it in a temporary buffer and then use region there is perhaps a poor man's solution... (defun check-isbn-at-point () "Compute and echo the check digit from the ISBN at point." (interactive) (let*((isbn-string (thing-at-point 'symbol t)) (digits-only (replace-regexp-in-string "[^0-9]" "" isbn-string)) (num-digits (length digits-only)) (check-digit (if (> num-digits 10) (checksum-isbn-13 digits-only) (checksum-isbn-10 digits-only) ))) (message "check digit: %s" check-digit) )) (defalias 'ciap #'check-isbn-at-point) -- underground experts united http://user.it.uu.se/~embe8573 https://dataswamp.org/~incal