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Regexp::NumRange - A perl module to create regular expressions for numeric ranges

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README.md

NAME

Regexp::NumRange - Create Regular Expressions for numeric ranges

VERSION

version 0.04

SYNOPSIS

use Test::More;
use Regexp::NumRange qw/ rx_max /;

my $rx = rx_max(255);

like '100', qr/^$rx$/, '100 is less than 255';
unlike '256', qr/^$rx$/, '256 is greater tha 255';

DESCRIPTION

Regexp::NumRange is a package for generating regular expression strings. These strings can be used in a regular expression to correctly match numeric strings within only a specified range.

FUNCTIONS

rx_range

Create a regex string between two arbitrary integers.

use Test::More;
use Regexp::NumRange qw/ rx_range /;

my $string = rx_range(256, 1024);
my $rx = qr/^$string$/;

ok "10" !~ $rx;
ok "300" =~ $rx;
ok "2000" !~ $rx;

rx_max

Create a regex string between 0 and an arbitrary integer.

my $rx_string = rx_max(1024); # create a string matching numbers between 0 and 1024
is $rx_string, '(102[0-4]|10[0-1][0-9]|0?[0-9]{1,3})';

EXPORT

Exports Available:

use Regexp::NumRange qw/ rx_max rx_range /;

SEE ALSO

Regexp::Common::number - more variations, but restricted to number of digit matching

http://dev.perl.org/perl6/rfc/197.html - same goal, but for perl6!

AUTHOR

Jacob R. Rideout cpan@jacobrideout.net

COPYRIGHT AND LICENSE

This software is copyright (c) 2011 by Jacob R. Rideout.

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

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