map -package:containers -package:insert-ordered-containers -package:basement -package:monoidal-containers -package:psqueues -package:base-compat -package:regex-tdfa -package:filepath -package:os-string -package:pipes -package:dense-linear-algebra -package:foldl package:case-insensitive is:exact
Transform the original string-like value but keep it case insensitive.