PPIx-Regexp

Changes for version 0.035 - 2013-11-15

Properly handle multi-character modifiers like /ee. We now handle /eie as being the same as /eei. Thanks to Anonymous Monk for finding this. Properly handle \g and \k back references that do not correspond to an actual capture group. They are now reblessed into the unknown token, and counted as errors. Thanks to Anonymous Monk for finding this. Add method error() to PPIx::Regexp::Element. This should return an error message when the element is in error -- normally when it has been blessed into the unknown token or structure. Add method modifier_asserted() to PPIx::Regexp::Element. This walks the parse tree backward to determine if the given modifier is in effect for the element.

Modules

PPIx::Regexp

Represent a regular expression of some sort

PPIx::Regexp::Constant

Constants for the PPIx::Regexp system

PPIx::Regexp::Dumper

Dump the results of parsing regular expressions

PPIx::Regexp::Element

Base of the PPIx::Regexp hierarchy.

PPIx::Regexp::Lexer

Assemble tokenizer output.

PPIx::Regexp::Node

Represent a container

PPIx::Regexp::Node::Range

Represent a character range in a character class

PPIx::Regexp::Structure

Represent a structure.

PPIx::Regexp::Structure::Assertion

Represent a parenthesized assertion

PPIx::Regexp::Structure::BranchReset

Represent a branch reset group

PPIx::Regexp::Structure::Capture

Represent capture parentheses.

PPIx::Regexp::Structure::CharClass

Represent a character class

PPIx::Regexp::Structure::Code

Represent one of the code structures.

PPIx::Regexp::Structure::Main

Represent a regular expression proper, or a substitution

PPIx::Regexp::Structure::Modifier

Represent modifying parentheses

PPIx::Regexp::Structure::NamedCapture

Represent a named capture

PPIx::Regexp::Structure::Quantifier

Represent curly bracket quantifiers

PPIx::Regexp::Structure::RegexSet

Represent a regexp character set

PPIx::Regexp::Structure::Regexp

Represent the top-level regular expression

PPIx::Regexp::Structure::Replacement

Represent the replacement in s///

PPIx::Regexp::Structure::Subexpression

Represent an independent subexpression

PPIx::Regexp::Structure::Switch

Represent a switch

PPIx::Regexp::Structure::Unknown

Represent an unknown structure.

PPIx::Regexp::Support

Basis for the PPIx::Regexp support classes

PPIx::Regexp::Token

Base class for PPIx::Regexp tokens.

PPIx::Regexp::Token::Assertion

Represent a simple assertion.

PPIx::Regexp::Token::Backreference

Represent a back reference

PPIx::Regexp::Token::Backtrack

Represent backtrack control.

PPIx::Regexp::Token::CharClass

Represent a character class

PPIx::Regexp::Token::CharClass::POSIX

Represent a POSIX character class

PPIx::Regexp::Token::CharClass::POSIX::Unknown

Represent an unknown or unsupported POSIX character class

PPIx::Regexp::Token::CharClass::Simple

This class represents a simple character class

PPIx::Regexp::Token::Code

Represent a chunk of Perl embedded in a regular expression.

PPIx::Regexp::Token::Comment

Represent a comment.

PPIx::Regexp::Token::Condition

Represent the condition of a switch

PPIx::Regexp::Token::Control

Case and quote control.

PPIx::Regexp::Token::Delimiter

Represent the delimiters of the regular expression

PPIx::Regexp::Token::Greediness

Represent a greediness qualifier.

PPIx::Regexp::Token::GroupType

Represent a grouping parenthesis type.

PPIx::Regexp::Token::GroupType::Assertion

Represent a look ahead or look behind assertion

PPIx::Regexp::Token::GroupType::BranchReset

Represent a branch reset specifier

PPIx::Regexp::Token::GroupType::Code

Represent one of the embedded code indicators

PPIx::Regexp::Token::GroupType::Modifier

Represent the modifiers in a modifier group.

PPIx::Regexp::Token::GroupType::NamedCapture

Represent a named capture

PPIx::Regexp::Token::GroupType::Subexpression

Represent an independent subexpression marker

PPIx::Regexp::Token::GroupType::Switch

Represent the introducing characters for a switch

PPIx::Regexp::Token::Interpolation

Represent an interpolation in the PPIx::Regexp package.

PPIx::Regexp::Token::Literal

Represent a literal character

PPIx::Regexp::Token::Modifier

Represent modifiers.

PPIx::Regexp::Token::Operator

Represent an operator.

PPIx::Regexp::Token::Quantifier

Represent an atomic quantifier.

PPIx::Regexp::Token::Recursion

Represent a recursion

PPIx::Regexp::Token::Reference

Represent a reference to a capture

PPIx::Regexp::Token::Structure

Represent structural elements.

PPIx::Regexp::Token::Unknown

Represent an unknown token

PPIx::Regexp::Token::Unmatched

Represent an unmatched right bracket

PPIx::Regexp::Token::Whitespace

Represent whitespace

PPIx::Regexp::Tokenizer

Tokenize a regular expression

PPIx::Regexp::Util

Utility functions for PPIx::Regexp;

Examples

Other files

To install PPIx::Regexp, copy and paste the appropriate command in to your terminal.

cpanm

cpanm PPIx::Regexp

CPAN shell

perl -MCPAN -e shell
install PPIx::Regexp

For more information on module installation, please visit the detailed CPAN module installation guide.

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Changes for version 0.035 - 2013-11-15

Modules

Examples

Other files

Module Install Instructions