my $message = uc(<>);
$message =~ s/[^A-Z0-9]//gi;				# remove punct, etc
$message =~ s/j/i/gi;
$message =~ s/q/O/gi;  					# replace [Qq] with [Oo]
$message =~ s/\s+//g;  					# remove spaces

##</code><code>##

my $message = uc <>;
$message =~ tr/A-Z0-9//cd;		# remove punct, etc
$message =~ tr/JQ/IO/;

##</code><code>##

my @range = ("Q","V","X","Y","Z",);

...

        my $i = int(rand(4));
        my $letter = $range[$i];

##</code><code>##

my @range = ("Q","V","X","Y","Z",);

...

        my $letter = $range[ rand @range ];