Can you think of a way to do stricter while still not rejecting valid names? I don’t have one. (Except the airline model of “only A-Z” but it seems silly to s

Can you think of a way to do stricter while still not rejecting valid names? I don’t have one. (Except the airline model of “only A-Z” but it seems silly to stay there just because people could slip ligatures through the form)