Re: perlfaq6: Why don't word-boundary searches with C<\b> work for me?

_brian_d_foy wrote in perl.perlfaq.workers :
> * I discovered a slight error in perlre:  it defines \b in
> terms of \w and \W, but that isn't strictly true since
> the start and end of strings can stand in for non-word
> characters.  perlre needs a slight patch before I can 
> reference it.

You're not the first one :

http://www.nntp.perl.org/group/perl.perl5.porters/96004

it's difficult to find a clear and pedagogical wording for it, though.