Regex lookahead example not as stated in Camel 4th
dakkar at thenautilus.net
Wed Jun 19 15:51:27 BST 2013
On 2013-06-19 Bob MacCallum <uncoolbob at gmail.com> wrote:
> so, forgetting the typo for a moment, why doesn't it output
> From my reading of the 5.12 perlre docs, there is no mention of
> moving the cursor along by one position after each match. Maybe
> that is a more general thing I wasn't aware of.
L<perlre/Repeated Patterns Matching a Zero-length Substring>
Summary: since C<//g> would be an infinite loop, Perl breaks it for
you, advancing the C<pos()> by one after each (0-len) match.
Dakkar - <Mobilis in mobile>
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