CentOS 7.0 - man page for perl::critic::policy::regularexpressions::requiredotmatchanything (centos section 3)
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Perl::Critic::Policy::RegularExpressions::RequireDotMatchAnything - Always use the "/s"
modifier with regular expressions.
This Policy is part of the core Perl::Critic distribution.
When asked what "." in a regular expression means, most people will say that it matches
any character, which isn't true. It's actually shorthand for "[^\n]". Using the "s"
modifier makes "." act like people expect it to.
my $match = m< foo.bar >xm; # not ok
my $match = m< foo.bar >xms; # ok
This Policy is not configurable except for the standard options.
Be cautious about slapping modifier flags onto existing regular expressions, as they can
drastically alter their meaning. See <http://www.perlmonks.org/?node_id=484238> for an
interesting discussion on the effects of blindly modifying regular expression flags.
Jeffrey Ryan Thalhammer <firstname.lastname@example.org>
Copyright (c) 2005-2011 Imaginative Software Systems. All rights reserved.
This program is free software; you can redistribute it and/or modify it under the same
terms as Perl itself. The full text of this license can be found in the LICENSE file
included with this module.
perl v5.16.3 Perl::Critic::Policy::RegularExpressions::RequireDotMatchAnything(3)
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