diff --git a/ghc/lib/misc/RegexString.lhs b/ghc/lib/misc/RegexString.lhs
new file mode 100644
index 0000000000000000000000000000000000000000..8bc98a5a02c9e2f14e753446f9d676e6d4431545
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+++ b/ghc/lib/misc/RegexString.lhs
@@ -0,0 +1,34 @@
+-----------------------------------------------------------------------------
+RegexString.lhs
+
+A simple high-level interface to Regex
+
+(c) Simon Marlow 1997
+-----------------------------------------------------------------------------
+
+> module RegexString (Regex(..), mkRegex, matchRegex) where
+
+> import Regex
+> import PackedString
+> import Array
+> import GlaExts
+
+> type Regex = PatBuffer
+> 
+> mkRegex :: String -> Regex
+> mkRegex s = unsafePerformPrimIO (
+> 	  re_compile_pattern (packString s) False False)
+> 
+> matchRegex :: Regex -> String -> Maybe [String]
+> matchRegex p s = unsafePerformPrimIO (
+> 	  re_match p str 0 True >>= \m ->
+> 	  case m of
+> 		  Nothing -> return Nothing
+> 		  Just m  -> return (Just (matches m str))
+> 	  )
+>    where
+>	  str = packString s
+> 
+> matches (REmatch arr _ _ _ _) s = 
+> 	  [ unpackPS (substrPS s beg (end-1)) | 
+> 		  index <- [1..], let (beg,end) = arr ! index ]