From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: "Perry E. Metzger" Newsgroups: gmane.emacs.devel Subject: modern regexes in emacs Date: Sat, 16 Jun 2018 12:37:04 -0400 Message-ID: <20180616123704.7123f6d7@jabberwock.cb.piermont.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1529166941 2335 195.159.176.226 (16 Jun 2018 16:35:41 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 16 Jun 2018 16:35:41 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Jun 16 18:35:37 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fUEAq-0000UY-BU for ged-emacs-devel@m.gmane.org; Sat, 16 Jun 2018 18:35:36 +0200 Original-Received: from localhost ([::1]:52171 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fUECx-0005nj-Bw for ged-emacs-devel@m.gmane.org; Sat, 16 Jun 2018 12:37:47 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:48374) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fUECL-0005nd-8u for emacs-devel@gnu.org; Sat, 16 Jun 2018 12:37:11 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fUECH-00008X-BP for emacs-devel@gnu.org; Sat, 16 Jun 2018 12:37:09 -0400 Original-Received: from hacklheber.piermont.com ([166.84.7.14]:48026) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fUECH-00008G-6S for emacs-devel@gnu.org; Sat, 16 Jun 2018 12:37:05 -0400 Original-Received: from snark.cb.piermont.com (localhost [127.0.0.1]) by hacklheber.piermont.com (Postfix) with ESMTP id C16DE2F1 for ; Sat, 16 Jun 2018 12:37:04 -0400 (EDT) Original-Received: from jabberwock.cb.piermont.com (jabberwock.cb.piermont.com [10.160.2.107]) by snark.cb.piermont.com (Postfix) with ESMTP id AA5062DEC43 for ; Sat, 16 Jun 2018 12:37:04 -0400 (EDT) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 166.84.7.14 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:226377 Archived-At: I think, someday, it would be nice if users could select modern regex syntax instead of the very very old-fashioned and awkward Emacs regex syntax. The old syntax and functions that implement it need to be kept around for legacy reasons, but one could easily set up a set of parallel new functions that used modern PCRE style syntax, and allow users to select those instead when doing things like isearching on regexps etc. Perry -- Perry E. Metzger perry@piermont.com