diff --git a/pkgs/tools/misc/crex/default.nix b/pkgs/tools/misc/crex/default.nix
new file mode 100644
index 00000000000..696fbe86383
--- /dev/null
+++ b/pkgs/tools/misc/crex/default.nix
@@ -0,0 +1,28 @@
+{ stdenv, fetchFromGitHub, cmake }:
+
+stdenv.mkDerivation rec {
+  name = "${pname}-${version}";
+  pname = "crex";
+  version = "0.2.5";
+
+  src = fetchFromGitHub {
+    owner = "octobanana";
+    repo = "crex";
+    rev = version;
+    sha256 = "086rvwl494z48acgsq3yq11qh1nxm8kbf11adn16aszai4d4ipr3";
+  };
+
+  postPatch = ''
+    substituteInPlace CMakeLists.txt --replace "/usr/local/bin" "bin"
+  '';
+
+  nativeBuildInputs = [ cmake ];
+
+  meta = with stdenv.lib; {
+    description = "Explore, test, and check regular expressions in the terminal";
+    homepage = https://octobanana.com/software/crex;
+    license = licenses.mit;
+    maintainers = with maintainers; [ dtzWill ];
+    platforms = platforms.all;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6f43ef408d7..d766d326658 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1185,6 +1185,8 @@ in
 
   cppclean = callPackage ../development/tools/cppclean {};
 
+  crex = callPackage ../tools/misc/crex { };
+
   cri-tools = callPackage ../tools/virtualization/cri-tools {};
 
   crip = callPackage ../applications/audio/crip { };