Matching zero only once using RE

[Tim Roberts]

Mike Meyer <mwm at mired.org> wrote:
>
>I think it's time to form a Committee for the Prevention of Regular
>Expression Abuse.

As I learned from personal experience, this is a disease which one
contracts when moving to Python from Perl.  Perl teaches you that the
entire world is a string, and every operation is a regular expression match
upon that string.
-- 
- Tim Roberts, timr at probo.com
  Providenza & Boekelheide, Inc.