or download this
my $blacklist_file = 'BlacklistWords.txt';
open(BLIST, "<$blacklist_file") or die("Can't open $blacklist_file for
+ reading!!\n\n");
...
chomp(@blacklist_words);
my $blacklist_regex = join"|" => map {"(?:$_)"} @blacklist_words; # Cr
+eate a regex from blacklisted words
print "blacklist regex:\n$blacklist_regex\n\n"; exit;