unsafeCompileRegex_ :: Options -> String -> RE
unsafeCompileRegex_ os = either oops id . compileRegex os
  where
    oops = error . ("unsafeCompileRegex: " ++)
unsafeCompileRegex_ :: Options -> String -> RE
unsafeCompileRegex_ os = either oops id . compileRegex os
  where
    oops = error . ("unsafeCompileRegex: " ++)
unsafeCompileRegex_ os = either oops id . compileRegex os
  where
    oops = error . ("unsafeCompileRegex: " ++)