diff --git a/pkgs/development/libraries/haskell/regexpr/default.nix b/pkgs/development/libraries/haskell/regexpr/default.nix
new file mode 100644
index 000000000000..36ba5e4005b3
--- /dev/null
+++ b/pkgs/development/libraries/haskell/regexpr/default.nix
@@ -0,0 +1,11 @@
+{cabal, HUnit, mtl, mtlparse}:
+
+cabal.mkDerivation (self : {
+  pname = "regexpr";
+  version = "0.5.4";
+  sha256 = "bf7813247f26877d9fba4ba4b66eb80bfddfc2086a5cd8d635b2da0ccde56604";
+  propagatedBuildInputs = [HUnit mtl mtlparse];
+  meta = {
+    description = "regular expression library like Perl and Ruby's regular expressions";
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 7377c86aa74a..698f8b892cf6 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -854,6 +854,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   regexPCRE = callPackage ../development/libraries/haskell/regex-pcre {};
 
+  regexpr = callPackage ../development/libraries/haskell/regexpr {};
+
   regular = callPackage ../development/libraries/haskell/regular {};
 
   repa = callPackage ../development/libraries/haskell/repa {};