Perl::Critic::Policy::RegularExpressions::RequireBracesForMultiline - Use '{' and '}' to delimit multi-line regexps.

NAME  AFFILIATION  DESCRIPTION  CONFIGURATION  CREDITS  AUTHOR  COPYRIGHT 

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NAME

Perl::Critic::Policy::RegularExpressions::RequireBracesForMultiline − Use "{" and "}" to delimit multi−line regexps.

AFFILIATION

This Policy is part of the core Perl::Critic distribution.

DESCRIPTION

Long regular expressions are hard to read. A good practice is to use the "x" modifier and break the regex into multiple lines with comments explaining the parts. But, with the usual "//" delimiters, the beginning and end can be hard to match, especially in a "s///" regexp. Instead, try using "{}" characters to delimit your expressions.

Compare these:

s/
<a \s+ href="([ˆ"]+)">
(.*?)
</a>
/link=$1, text=$2/xms;

vs.

s{
<a \s+ href="([ˆ"]+)">
(.*?)
</a>
}
{link=$1, text=$2}xms;

Is that an improvement? Marginally, but yes. The curly braces lead the eye better.

CONFIGURATION

There is one option for this policy, "allow_all_brackets". If this is true, then, in addition to allowing "{}", the other matched pairs of "()", "[]", and "<>" are allowed.

CREDITS

Initial development of this policy was supported by a grant from the Perl Foundation.

AUTHOR

Chris Dolan <[email protected]>

COPYRIGHT

Copyright (c) 2007−2023 Chris Dolan

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

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