# Text.Regex.Posixがリンクできない

```GHCi, version 6.12.3: http://www.haskell.org/ghc/  :? for help
Prelude> import Text.Regex.Posix
Prelude Text.Regex.Posix> "foobar" =~ "foo" :: Bool
```'cabal install regex-posix' can solve this problem, hence it's a valid workaround as you mentioned.