$var =~ s/^(game\.panel\..*)\.chars$/$1.size/;
$var =~ s/^(game\.panel\..*)\.tile_size$/$1.size/;
$var =~ s/^(request\.button\..*)\.tile_size$/$1.size/;
$var =~ s/\.digits$/.size/;
$var =~ s/^(game\.panel\..*)\.chars$/$1.size/;
$var =~ s/^(game\.panel\..*)\.tile_size$/$1.size/;
$var =~ s/^(request\.button\..*)\.tile_size$/$1.size/;
$var =~ s/\.digits$/.size/;