use strict;
use warnings;
my $param = 'abe '.chr(155).chr(156).'lincoln';
warn $param;
$param =~ s/[^a-zA-Z0-9\.\-\=\+\!\@\#\$\%\^\&\*\?\ \x80-\x97\xa0-\xa5]//g;
die $param;
__END__
abe ¢£lincoln at regexS.pl line 4.
abe lincoln at regexS.pl line 6.

##</code><code>##

use strict;
use warnings;
#use utf8;

my $param = 'abe '.chr(133).' in range lincoln '.chr(152).' out of range';
#my $param = "abe \x85 in range lincoln \x98 out of range";

print $param,$/;

$param =~ s/[^a-zA-Z0-9\.\-\=\+\!\@\#\$\%\^\&\*\?\ \x80-\x97\xa0-\xa5]/X/g;

print $param,$/;

__END__
E:\dev\LOOSE>perl regex.utf8.pl
abe à in range lincoln ÿ out of range
abe à in range lincoln X out of range

E:\dev\LOOSE>perl -Mutf8 regex.utf8.pl
abe à in range lincoln ÿ out of range
abe X in range lincoln X out of range

E:\dev\LOOSE>G:\perl\bin\perl regex.utf8.pl
abe à in range lincoln ÿ out of range
abe à in range lincoln X out of range

E:\dev\LOOSE>G:\perl\bin\perl -Mutf8 regex.utf8.pl
abe à in range lincoln ÿ out of range
abe à in range lincoln X out of range

E:\dev\LOOSE>