Perl::Critic::Policy::RegularExpressions::ProhibitCaptureWithoutTest - Capture variable used outside conditional.
This Policy is part of the core Perl::Critic distribution.
If a regexp match fails, then any capture variables ($1, $2,
...) will be undefined. Therefore it's important to check the return
value of a match before using those variables.
This policy checks that capture variables are inside a conditional and do not follow an regexps.
This policy does not check whether that conditional is actually testing a regexp result, nor does it check whether a regexp actually has a capture in it. Those checks are too hard.
This Policy is not configurable except for the standard options.
Chris Dolan <cdolan@cpan.org>
Copyright (C) 2006 Chris Dolan. All rights reserved.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.