nixpkgs/pkgs/development/nim-packages/regex/default.nix

{ fetchFromGitHub }:

fetchFromGitHub {
  owner = "nitely";
  repo = "nim-regex";
  rev = "eeefb4f";
  sha256 = "13gn0qhnxz07474kv94br5qlac9j8pz2555fk83538fiq83vgbm5";
}