Perl
$line =~ s/£Á/A/g;
$line =~ s/£Â/B/g;
$line =~ s/£Ã/C/g;
$line =~ s/£Ä/D/g;
$line =~ s/£Å/E/g;
$line =~ s/£Æ/F/g;
$line =~ s/£Ç/G/g;
$line =~ s/£È/H/g;
$line =~ s/£É/I/g;
$line =~ s/£Ê/J/g;
$line =~ s/£Ë/K/g;
$line =~ s/£Ì/L/g;
$line =~ s/£Í/M/g;
$line =~ s/£Î/N/g;
$line =~ s/£Ï/O/g;
$line =~ s/£Ð/P/g;
$line =~ s/£Ñ/Q/g;
$line =~ s/£Ò/R/g;
$line =~ s/£Ó/S/g;
$line =~ s/£Ô/T/g;
$line =~ s/£Õ/U/g;
$line =~ s/£Ö/V/g;
$line =~ s/£×/W/g;
$line =~ s/£Ø/X/g;
$line =~ s/£Ù/Y/g;
$line =~ s/£Ú/Z/g;
$line =~ s/£á/a/g;
$line =~ s/£â/b/g;
$line =~ s/£ã/c/g;
$line =~ s/£ä/d/g;
$line =~ s/£å/e/g;
$line =~ s/£æ/f/g;
$line =~ s/£ç/g/g;
$line =~ s/£è/h/g;
$line =~ s/£é/i/g;
$line =~ s/£ê/j/g;
$line =~ s/£ë/k/g;
$line =~ s/£ì/l/g;
$line =~ s/£í/m/g;
$line =~ s/£î/n/g;
$line =~ s/£ï/o/g;
$line =~ s/£ð/p/g;
$line =~ s/£ñ/q/g;
$line =~ s/£ò/r/g;
$line =~ s/£ó/s/g;
$line =~ s/£ô/t/g;
$line =~ s/£õ/u/g;
$line =~ s/£ö/v/g;
$line =~ s/£÷/w/g;
$line =~ s/£ø/x/g;
$line =~ s/£ù/y/g;
$line =~ s/£ú/z/g;