Regexp::Pattern::DefHash(3pm)

Usage

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

Version

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

Overview

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>.

Copyright and license

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

Releases

Unchanged in 2 releases since Debian 12 (Bookworm).

12–13