$answer =~ s/\s+$//g;
$answer =~ tr/\015//d;

##</code><code>##

#!/usr/bin/perl
use strict;
use warnings;
use diagnostics;

my $x = 0;
my $answer;
my %menu_selection = (
     '1' => "Option 1....",
     '2' => "Option 2....",
     '3' => "Option 3...."
);

sub menu () {
print STDOUT <<EOF;
Please select one of the following locations:
1.) Option 1....
2.) Option 2....
3.) Option 3....
EOF

print "\nSelection: ";
chomp( $answer = <STDIN> );
}

while ( $x == 0 ) {
     &menu;
     if ( %menu_selection ) {
          if ( $answer >= 4 || $answer eq "" ) {
               print "The menu selection is: $answer\n";
               print "\nWrong selection, please make a different selection.\n\n";
               $x = 0;
          } else {
               print "$menu_selection{$answer}\n";
               $x = 1;
          }
     }
}