/usr/bin/perl -w
#
# tld - generate a regular expression that matches the Internet
#       top level domains
#
# You can also specify an indent value to pretty-print the
# resulting regexp. This example gives you a very good insight
# as to how the alternations are sorted, busiest to least.
#
# Copyright (C) David Landgren 2005

use strict;

use Regexp::Assemble;

my $indent = shift || 0;

eval "use Net::Domain::TLD";
$@ and die "You must install Net::Domain::TLD to run this example\n";

my $re = Regexp::Assemble->new->add( Net::Domain::TLD->new->All );

print $re->as_string(indent => $indent), "\n";