Regexp::Lexer - Lexer for regular expression of perl
use Regexp::Lexer qw(tokenize); my $tokens = tokenize(qr{\Ahello\s+world\z}i);
Regexp::Lexer is a lexer for regular expression of perl.
This module splits the regular expression string to tokens which has minimum meaning.
tokenize($re:Regexp)
Tokenizes the regular expression.
This function takes an argument as Regexp, namely it must be regexp quoted variable (i.e. qr/SOMETHING/). If not Regexp argument is given, this function throws exception.
Regexp
qr/SOMETHING/
This function returns the result like so;
{ tokens => [ { char => '\A', index => 1, type => { id => 67, name => 'EscapedBeginningOfString', }, }, { char => 'h', index => 2, type => { id => 1, name => 'Character', }, }, ... ], modifiers => ['^', 'i'], }
tokens is the tokens list. Information about type of token is located in the Regexp::Lexer::TokenType.
tokens
type
modifiers is the list of modifiers of regular expression. Please see also perlre.
modifiers
perlre
perlrebackslash
Regexp::Lexer::TokenType
Copyright (C) moznion.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
moznion <moznion@gmail.com>
To install Regexp::Lexer, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Regexp::Lexer
CPAN shell
perl -MCPAN -e shell install Regexp::Lexer
For more information on module installation, please visit the detailed CPAN module installation guide.