use strict;
my @allow = ("\xA1","\x89","\x94");
my @disallow = ("\xB2","\xFF");
foreach my $char (@allow) {
  $char =~ s/[^0-9a-z\x80-\xA5_:,!\?\.\* -]//ig;
  print "wrong: char " . ord($char) . " should be allowed\n" if $char eq '';
}
foreach my $char (@disallow) {
  $char =~ s/[^0-9a-z\x80-\xA5_:,!\?\.\* -]//ig;
  print "wrong: char " . ord($char) . " should not be allowed\n" if $char ne '';
}
exit;