From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Marcin Borkowski Newsgroups: gmane.emacs.help Subject: Re: Regex replace for numbers Date: Fri, 03 Oct 2014 03:07:59 +0200 Message-ID: <87mw9ex8nk.fsf@wmi.amu.edu.pl> References: <87zjdexa89.fsf@robertthorpeconsulting.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1412298518 22684 80.91.229.3 (3 Oct 2014 01:08:38 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 3 Oct 2014 01:08:38 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Oct 03 03:08:33 2014 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 1XZrMF-0006lo-PZ for geh-help-gnu-emacs@m.gmane.org; Fri, 03 Oct 2014 03:08:31 +0200 Original-Received: from localhost ([::1]:37211 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XZrMF-0002L4-B3 for geh-help-gnu-emacs@m.gmane.org; Thu, 02 Oct 2014 21:08:31 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44982) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XZrLx-0002Iw-Cn for help-gnu-emacs@gnu.org; Thu, 02 Oct 2014 21:08:19 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XZrLo-0000X0-9m for help-gnu-emacs@gnu.org; Thu, 02 Oct 2014 21:08:13 -0400 Original-Received: from msg.wmi.amu.edu.pl ([2001:808:114:2::50]:55894) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XZrLo-0000Wm-22 for help-gnu-emacs@gnu.org; Thu, 02 Oct 2014 21:08:04 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by msg.wmi.amu.edu.pl (Postfix) with ESMTP id 581565076A for ; Fri, 3 Oct 2014 03:08:02 +0200 (CEST) Original-Received: from msg.wmi.amu.edu.pl ([127.0.0.1]) by localhost (msg.wmi.amu.edu.pl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2uo18NnktRkP for ; Fri, 3 Oct 2014 03:08:02 +0200 (CEST) Original-Received: from localhost (111-128.echostar.pl [213.156.111.128]) by msg.wmi.amu.edu.pl (Postfix) with ESMTPSA id 1630D50769 for ; Fri, 3 Oct 2014 03:08:01 +0200 (CEST) In-reply-to: <87zjdexa89.fsf@robertthorpeconsulting.com> X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:808:114:2::50 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:100239 Archived-At: On 2014-10-03, at 02:33, Robert Thorpe wrote: > I'm not very good with Emacs regex, I need to search-and-replace on some numbers. > > How can I detect unnecessary zeros at the end of a number and chop them > off? E.g. turn 567.45000 to 567.45 without also turning 6700 to 67. What about M-% \([0-9]+\)\.\([0-9]*?\)0+ RET \1.\2 RET ? > BR, > Robert Thorpe Hth, -- Marcin Borkowski http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski Adam Mickiewicz University