From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.org!not-for-mail
From: "=?iso-8859-1?B?3m9ybmU=?=" <ego111@gmail.com>
Newsgroups: gmane.emacs.help
Subject: regexp problem
Date: 11 Aug 2006 20:33:14 -0700
Organization: http://groups.google.com
Message-ID: <1155353594.291023.218010@i42g2000cwa.googlegroups.com>
NNTP-Posting-Host: main.gmane.org
Mime-Version: 1.0
Content-Type: text/plain; charset="iso-8859-1"
X-Trace: sea.gmane.org 1155354030 29359 80.91.229.2 (12 Aug 2006 03:40:30 GMT)
X-Complaints-To: usenet@sea.gmane.org
NNTP-Posting-Date: Sat, 12 Aug 2006 03:40:30 +0000 (UTC)
Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sat Aug 12 05:40:29 2006
Return-path: <help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>
Envelope-to: geh-help-gnu-emacs@m.gmane.org
Original-Received: from lists.gnu.org ([199.232.76.165])
	by ciao.gmane.org with esmtp (Exim 4.43)
	id 1GBkMN-0004j6-UH
	for geh-help-gnu-emacs@m.gmane.org; Sat, 12 Aug 2006 05:40:28 +0200
Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43)
	id 1GBkMN-00088H-Fg
	for geh-help-gnu-emacs@m.gmane.org; Fri, 11 Aug 2006 23:40:27 -0400
Original-Path: shelby.stanford.edu!newsfeed.stanford.edu!postnews.google.com!i42g2000cwa.googlegroups.com!not-for-mail
Original-Newsgroups: gnu.emacs.help
Original-Lines: 6
Original-NNTP-Posting-Host: 65.203.232.102
Original-X-Trace: posting.google.com 1155353599 30344 127.0.0.1 (12 Aug 2006 03:33:19
	GMT)
Original-X-Complaints-To: groups-abuse@google.com
Original-NNTP-Posting-Date: Sat, 12 Aug 2006 03:33:19 +0000 (UTC)
User-Agent: G2/0.2
X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1;
	.NET CLR 1.1.4322; .NET CLR 2.0.50727;
	InfoPath.1),gzip(gfe),gzip(gfe)
Complaints-To: groups-abuse@google.com
Injection-Info: i42g2000cwa.googlegroups.com; posting-host=65.203.232.102;
	posting-account=ex57WA0AAACaCEDAUgwge-MEQqyxT87Q
Original-Xref: shelby.stanford.edu gnu.emacs.help:140993
Original-To: help-gnu-emacs@gnu.org
X-BeenThere: help-gnu-emacs@gnu.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Users list for the GNU Emacs text editor <help-gnu-emacs.gnu.org>
List-Unsubscribe: <http://lists.gnu.org/mailman/listinfo/help-gnu-emacs>,
	<mailto:help-gnu-emacs-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/pipermail/help-gnu-emacs>
List-Post: <mailto:help-gnu-emacs@gnu.org>
List-Help: <mailto:help-gnu-emacs-request@gnu.org?subject=help>
List-Subscribe: <http://lists.gnu.org/mailman/listinfo/help-gnu-emacs>,
	<mailto:help-gnu-emacs-request@gnu.org?subject=subscribe>
Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org
Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org
Xref: news.gmane.org gmane.emacs.help:36618
Archived-At: <http://permalink.gmane.org/gmane.emacs.help/36618>

Is there a way to match only `b' if and only if it appears in the
context `abc'  ?

So searching `foo abc b ' would return a match of `b' but `bar xbc'
would not return any matches.