It's not the scalar glob that scares me. It's the use of glob for non-file things :)

I'd probably just use a list, or an array if I need it multiple times:

for ('A'..'F', 0..9, qw/P Q R/) {
   ...
}
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Update - Hmm... I misread the glob, and thought the }{ parts were just commas. Sorry :)

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