Regexp::Common::URI::RFC1035 - Definitions from RFC1035;

Regexp-Common documentation Contained in the Regexp-Common distribution.

Index

Code Index:

NAME

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Regexp::Common::URI::RFC1035 -- Definitions from RFC1035;

SYNOPSIS

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    use Regexp::Common::URI::RFC1035 qw /:ALL/;

DESCRIPTION

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This package exports definitions from RFC1035. It's intended usage is for Regexp::Common::URI submodules only. Its interface might change without notice.

REFERENCES

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[RFC 1035]

Mockapetris, P.: DOMAIN NAMES - IMPLEMENTATION AND SPECIFICATION. November 1987.

AUTHOR

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Damian Conway (damian@conway.org)

MAINTAINANCE

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This package is maintained by Abigail (regexp-common@abigail.be).

BUGS AND IRRITATIONS

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Bound to be plenty.

LICENSE and COPYRIGHT

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This software is Copyright (c) 2001 - 2009, Damian Conway and Abigail.

This module is free software, and maybe used under any of the following licenses:

 1) The Perl Artistic License.     See the file COPYRIGHT.AL.
 2) The Perl Artistic License 2.0. See the file COPYRIGHT.AL2.
 3) The BSD Licence.               See the file COPYRIGHT.BSD.
 4) The MIT Licence.               See the file COPYRIGHT.MIT.
Regexp-Common documentation Contained in the Regexp-Common distribution. 
package Regexp::Common::URI::RFC1035;

use Regexp::Common qw /pattern clean no_defaults/;

use strict;
use warnings;

use vars qw /$VERSION/;
$VERSION = '2010010201';

use vars qw /@EXPORT @EXPORT_OK %EXPORT_TAGS @ISA/;

use Exporter ();
@ISA = qw /Exporter/;

my %vars;

BEGIN {
    $vars {low}     = [qw /$digit $letter $let_dig $let_dig_hyp $ldh_str/];
    $vars {parts}   = [qw /$label $subdomain/];
    $vars {domain}  = [qw /$domain/];
}

use vars map {@$_} values %vars;

@EXPORT      = qw /$host/;
@EXPORT_OK   = map {@$_} values %vars;
%EXPORT_TAGS = (%vars, ALL => [@EXPORT_OK]);

# RFC 1035.
$digit             = "[0-9]";
$letter            = "[A-Za-z]";
$let_dig           = "[A-Za-z0-9]";
$let_dig_hyp       = "[-A-Za-z0-9]";
$ldh_str           = "(?:[-A-Za-z0-9]+)";
$label             = "(?:$letter(?:(?:$ldh_str){0,61}$let_dig)?)";
$subdomain         = "(?:$label(?:[.]$label)*)";
$domain            = "(?: |(?:$subdomain))";


1;

__END__