NAME

Regexp::Pattern::DefHash - Regexp patterns related to DefHash

VERSION

This document describes version 0.001 of Regexp::Pattern::DefHash (from Perl distribution Regexp-Pattern-DefHash), released on 2021-07-22.

SYNOPSIS

 use Regexp::Pattern; # exports re()
 my $re = re("DefHash::attr");

DESCRIPTION

Regexp::Pattern is a convention for organizing reusable regex patterns.

REGEXP PATTERNS

• attr

  Tags: anchored, capturing

  Attribute key.

  Examples:

  Example #1.

   ".attr" =~ re("DefHash::attr");  # matches
      

  Example #2.

   "._attr" =~ re("DefHash::attr");  # matches
      

  Example #3.

   ".attr1.subattr2" =~ re("DefHash::attr");  # matches
      

  Example #4.

   "prop.attr1" =~ re("DefHash::attr");  # matches
      

  Example #5.

   "_prop._attr1" =~ re("DefHash::attr");  # matches
      

  Example #6.

   "Prop.attr1.subattr2.Subattr3" =~ re("DefHash::attr");  # matches
      

  Example #7.

   "_prop.attr1" =~ re("DefHash::attr");  # matches
      

  Cannot start with digit (1).

   ".0attr" =~ re("DefHash::attr");  # DOESN'T MATCH
      

  Cannot start with digit (2).

   "prop.0attr" =~ re("DefHash::attr");  # DOESN'T MATCH
      

  Cannot start with digit (3).

   "prop.attr.0subattr" =~ re("DefHash::attr");  # DOESN'T MATCH
      

  Invalid character: dash (1).

   ".attr-ibute" =~ re("DefHash::attr");  # DOESN'T MATCH
      

  Invalid character: dash (2).

   "prop-erty.attribute" =~ re("DefHash::attr");  # DOESN'T MATCH
      

  Invalid character: dash (3).

   "prop.attr-ibute" =~ re("DefHash::attr");  # DOESN'T MATCH
      

  Invalid character: whitespace (1).

   "property .attr" =~ re("DefHash::attr");  # DOESN'T MATCH
      

  Invalid character: whitespace (2).

   "property.attr " =~ re("DefHash::attr");  # DOESN'T MATCH
      

  Invalid character: whitespace (3).

   ".attr " =~ re("DefHash::attr");  # DOESN'T MATCH
      

  Invalid syntax: dot only.

   "." =~ re("DefHash::attr");  # DOESN'T MATCH
      

  Invalid syntax: double dot.

   "..attr" =~ re("DefHash::attr");  # DOESN'T MATCH
      

  Invalid syntax: dot without attr.

   "attr." =~ re("DefHash::attr");  # DOESN'T MATCH
      

  Invalid syntax: dot without attr (2).

   "attr.." =~ re("DefHash::attr");  # DOESN'T MATCH
      

  Empty.

   "" =~ re("DefHash::attr");  # DOESN'T MATCH
      

  Property, not attribute.

   "p" =~ re("DefHash::attr");  # DOESN'T MATCH
      

  Property, not attribute.

   "_" =~ re("DefHash::attr");  # DOESN'T MATCH
      

• attr_part

  Tags: anchored

  Attribute part in attribute key.

  Examples:

  Empty.

   "" =~ re("DefHash::attr_part");  # DOESN'T MATCH
      

  Example #2.

   "p" =~ re("DefHash::attr_part");  # matches
      

  Example #3.

   "p.q" =~ re("DefHash::attr_part");  # matches
      

  Dot prefix must not be included.

   ".p" =~ re("DefHash::attr_part");  # DOESN'T MATCH
      

• key

  Tags: anchored, capturing

  Attribute key or property key.

  All keys in defhash must match this pattern.

  Examples:

  Example #1.

   "p" =~ re("DefHash::key");  # matches
      

  Example #2.

   "_" =~ re("DefHash::key");  # matches
      

  Example #3.

   "prop" =~ re("DefHash::key");  # matches
      

  Example #4.

   "Prop2" =~ re("DefHash::key");  # matches
      

  Example #5.

   "prop_" =~ re("DefHash::key");  # matches
      

  Cannot start with digit.

   "0prop" =~ re("DefHash::key");  # DOESN'T MATCH
      

  Invalid character: dash.

   "prop-erty" =~ re("DefHash::key");  # DOESN'T MATCH
      

  Invalid character: whitespace.

   "property " =~ re("DefHash::key");  # DOESN'T MATCH
      

  Example #9.

   ".attr" =~ re("DefHash::key");  # matches
      

  Example #10.

   "._attr" =~ re("DefHash::key");  # matches
      

  Example #11.

   ".attr1.subattr2" =~ re("DefHash::key");  # matches
      

  Example #12.

   "prop.attr1" =~ re("DefHash::key");  # matches
      

  Example #13.

   "_prop._attr1" =~ re("DefHash::key");  # matches
      

  Example #14.

   "Prop.attr1.subattr2.Subattr3" =~ re("DefHash::key");  # matches
      

  Example #15.

   "_prop.attr1" =~ re("DefHash::key");  # matches
      

  Cannot start with digit (1).

   ".0attr" =~ re("DefHash::key");  # DOESN'T MATCH
      

  Cannot start with digit (2).

   "prop.0attr" =~ re("DefHash::key");  # DOESN'T MATCH
      

  Cannot start with digit (3).

   "prop.attr.0subattr" =~ re("DefHash::key");  # DOESN'T MATCH
      

  Invalid character: dash (1).

   ".attr-ibute" =~ re("DefHash::key");  # DOESN'T MATCH
      

  Invalid character: dash (2).

   "prop-erty.attribute" =~ re("DefHash::key");  # DOESN'T MATCH
      

  Invalid character: dash (3).

   "prop.attr-ibute" =~ re("DefHash::key");  # DOESN'T MATCH
      

  Invalid character: whitespace (1).

   "property .attr" =~ re("DefHash::key");  # DOESN'T MATCH
      

  Invalid character: whitespace (2).

   "property.attr " =~ re("DefHash::key");  # DOESN'T MATCH
      

  Invalid character: whitespace (3).

   ".attr " =~ re("DefHash::key");  # DOESN'T MATCH
      

  Invalid syntax: dot only.

   "." =~ re("DefHash::key");  # DOESN'T MATCH
      

  Invalid syntax: double dot.

   "..attr" =~ re("DefHash::key");  # DOESN'T MATCH
      

  Invalid syntax: dot without attr.

   "attr." =~ re("DefHash::key");  # DOESN'T MATCH
      

  Invalid syntax: dot without attr (2).

   "attr.." =~ re("DefHash::key");  # DOESN'T MATCH
      

  Empty.

   "" =~ re("DefHash::key");  # DOESN'T MATCH
      

• prop

  Tags: anchored

  Property key.

  Examples:

  Example #1.

   "p" =~ re("DefHash::prop");  # matches
      

  Example #2.

   "_" =~ re("DefHash::prop");  # matches
      

  Example #3.

   "prop" =~ re("DefHash::prop");  # matches
      

  Example #4.

   "Prop2" =~ re("DefHash::prop");  # matches
      

  Example #5.

   "prop_" =~ re("DefHash::prop");  # matches
      

  Cannot start with digit.

   "0prop" =~ re("DefHash::prop");  # DOESN'T MATCH
      

  Invalid character: dash.

   "prop-erty" =~ re("DefHash::prop");  # DOESN'T MATCH
      

  Invalid character: whitespace.

   "property " =~ re("DefHash::prop");  # DOESN'T MATCH
      

  Empty.

   "" =~ re("DefHash::prop");  # DOESN'T MATCH
      

  Attribute, not property.

   "prop.attr" =~ re("DefHash::prop");  # DOESN'T MATCH
      

  Attribute, not property.

   ".attr" =~ re("DefHash::prop");  # DOESN'T MATCH
      

• prop_or_attr

  Tags: anchored, capturing

  Attribute key or property key.

  All keys in defhash must match this pattern.

  Examples:

  Example #1.

   "p" =~ re("DefHash::prop_or_attr");  # matches
      

  Example #2.

   "_" =~ re("DefHash::prop_or_attr");  # matches
      

  Example #3.

   "prop" =~ re("DefHash::prop_or_attr");  # matches
      

  Example #4.

   "Prop2" =~ re("DefHash::prop_or_attr");  # matches
      

  Example #5.

   "prop_" =~ re("DefHash::prop_or_attr");  # matches
      

  Cannot start with digit.

   "0prop" =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Invalid character: dash.

   "prop-erty" =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Invalid character: whitespace.

   "property " =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Example #9.

   ".attr" =~ re("DefHash::prop_or_attr");  # matches
      

  Example #10.

   "._attr" =~ re("DefHash::prop_or_attr");  # matches
      

  Example #11.

   ".attr1.subattr2" =~ re("DefHash::prop_or_attr");  # matches
      

  Example #12.

   "prop.attr1" =~ re("DefHash::prop_or_attr");  # matches
      

  Example #13.

   "_prop._attr1" =~ re("DefHash::prop_or_attr");  # matches
      

  Example #14.

   "Prop.attr1.subattr2.Subattr3" =~ re("DefHash::prop_or_attr");  # matches
      

  Example #15.

   "_prop.attr1" =~ re("DefHash::prop_or_attr");  # matches
      

  Cannot start with digit (1).

   ".0attr" =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Cannot start with digit (2).

   "prop.0attr" =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Cannot start with digit (3).

   "prop.attr.0subattr" =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Invalid character: dash (1).

   ".attr-ibute" =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Invalid character: dash (2).

   "prop-erty.attribute" =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Invalid character: dash (3).

   "prop.attr-ibute" =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Invalid character: whitespace (1).

   "property .attr" =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Invalid character: whitespace (2).

   "property.attr " =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Invalid character: whitespace (3).

   ".attr " =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Invalid syntax: dot only.

   "." =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Invalid syntax: double dot.

   "..attr" =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Invalid syntax: dot without attr.

   "attr." =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Invalid syntax: dot without attr (2).

   "attr.." =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

  Empty.

   "" =~ re("DefHash::prop_or_attr");  # DOESN'T MATCH
      

HOMEPAGE

Please visit the project's homepage at <https://metacpan.org/release/Regexp-Pattern-DefHash>.

SOURCE

Source repository is at <https://github.com/perlancar/perl-Regexp-Pattern-DefHash>.

BUGS

Please report any bugs or feature requests on the bugtracker website <https://rt.cpan.org/Public/Dist/Display.html?Name=Regexp-Pattern-DefHash>

When submitting a bug or request, please include a test-file or a patch to an existing test-file that illustrates the bug or desired feature.

SEE ALSO

DefHash specification.

Regexp::Pattern

Some utilities related to Regexp::Pattern: App::RegexpPatternUtils, rpgrep from App::rpgrep.

AUTHOR

perlancar <perlancar@cpan.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2021 by perlancar@cpan.org.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.