Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!usc!elroy.jpl.nasa.gov!jpl-devvax!lwall
From: lwall@jpl-devvax.JPL.NASA.GOV (Larry Wall)
Newsgroups: comp.lang.perl
Subject: Re: matching word boundaries with regexps
Message-ID: <6793@jpl-devvax.JPL.NASA.GOV>
Date: 15 Jan 90 18:57:12 GMT
References: <2295@ruuinf.cs.ruu.nl>
Reply-To: lwall@jpl-devvax.JPL.NASA.GOV (Larry Wall)
Organization: Jet Propulsion Laboratory, Pasadena, CA
Lines: 15

In article <2295@ruuinf.cs.ruu.nl> piet@cs.ruu.nl (Piet van Oostrum) writes:
: It seems that matching word boundaries with \b in regexps doesn't work
: properly.
: I get random results. The following script should illustrate the problem.
: Feed it with lines of the form: vote yes (or: vote no)
: Or an I doing something wrong???

It's a bug.  I fixed it a week or two ago here, and it will be fixed in
patch 9.  There was a bad interaction between the code that handles
case insensitivity and the code that checks for \b-ness at the beginning
of a string.  I tried your test program and it works under the new version.

Soon.

Larry