http://qs321.pair.com?node_id=630980


in reply to Re^2: searching for strings
in thread searching for strings

Sorry! How strange of Perl to be asymmetric! Why is "--" not as magical as "++"? This will work instead...
$char_up =~ tr/A-Z0-9/B-ZZ1-99/; $char_down =~ tr/A-Z0-9/AA-Y00-8/;