From: Bill Kelly <billk@...>
Date: 2001-12-18T03:11:19+09:00
Subject: [ruby-talk:28813] Re: Scanning for delimited substrings


From: "Martin DeMello" <mdemello@ruf.rice.edu>
>
> Martin DeMello <mdemello@ruf.rice.edu> wrote:
> > Bill Kelly <billk@cts.com> wrote:
> 
> >> How about:
> >>  scan(/<<.*?>>|(?:.(?!<<))+/)
> 
> >>  irb(main):005:0> "fooa<<bar".scan(/<<.*?>>|(?:.(?!<<.*?>>))+/)
> >>  ["fooa<<bar"]
> 
> Misbehaved on a few test cases - the problem was that it swallowed the last
> character in the string before a delimiter pair. This one worked:
> 
> m = "#{Regexp.quote(l)}.*?#{Regexp.quote(r)}"
> s.scan(/#{m}|(?:.(?!#{m}))*./m)
> 
> (changed the bit at the end from + to *.)

Aiyeeeeeeee!!!!  Shame on me =(

http://www.foosenblat.org/ftp/wav/humiliation.wav


Sorry.  (That's what I get for writing a one-liner without any
unit tests:)


Regards,

Bill