CGI::Untaint::hex - validate as a hexadecimal value
my $id = $handler->extract(-as_hex => 'hexvalue');
This Input Handler verifies that it is dealing with a hexadecimal value.
Tony Bowden, <firstname.lastname@example.org>.
Copyright (C) 2001 Tony Bowden. All rights reserved.
This module is free software; you can redistribute it and/or modify it under the
same terms as Perl itself.