#!/usr/bin/perl

use 5.008;
use strict;
use warnings;

use locale ':not_characters';

my @words = (
	'ルイビトン!', 
	'ルイビトン', 
	'V1$gRa!',
	'Viagra',
	'интернет!',
	'товары',
);

while (my $line = <DATA>) {
	for my $spamword (sort @words) {
		print ($line =~ /\b\Q$spamword\E\b/i ? "Spam: $spamword -> $line" : '');
	}
}

__END__

__DATA__
CAT & CATZE
 ルイビトン
 ルイビトン!
  8I_Iy ViAGra!
         Test.Toast     		 
		 интернет!
Perl's son is not Tim Towdy!