diff --git a/argh.h b/argh.h
index b61300f..a986e71 100644
--- a/argh.h
+++ b/argh.h
@@ -109,11 +109,15 @@ namespace argh
       parser(int argc, const char* const argv[], int mode = PREFER_FLAG_FOR_UNREG_OPTION)
       {  parse(argc, argv, mode); }
 
+      parser(const std::vector<std::string>& argv, int mode = PREFER_FLAG_FOR_UNREG_OPTION) 
+      {  parse(argv, mode); };
+
       void add_param(std::string const& name);
       void add_params(std::initializer_list<char const* const> init_list);
 
       void parse(const char* const argv[], int mode = PREFER_FLAG_FOR_UNREG_OPTION);
       void parse(int argc, const char* const argv[], int mode = PREFER_FLAG_FOR_UNREG_OPTION);
+      void parse(const std::vector<std::string>& argv, int mode = PREFER_FLAG_FOR_UNREG_OPTION);
 
       std::multiset<std::string>               const& flags()    const { return flags_;    }
       std::multimap<std::string, std::string>  const& params()   const { return params_;   }
@@ -193,15 +197,26 @@ namespace argh
    //////////////////////////////////////////////////////////////////////////
 
    inline void parser::parse(int argc, const char* const argv[], int mode /*= PREFER_FLAG_FOR_UNREG_OPTION*/)
+   {
+      std::vector<std::string> args;
+
+      // convert to strings
+      args.resize(static_cast<decltype(args_)::size_type>(argc));
+      std::transform(argv, argv + argc, args.begin(), [](const char* const arg) { return arg; });
+
+      parse(args, mode);
+   }
+
+   //////////////////////////////////////////////////////////////////////////
+
+   inline void parser::parse(const std::vector<std::string>& argv, int mode)
    {
       // clear out possible previous parsing remnants
       flags_.clear();
       params_.clear();
       pos_args_.clear();
 
-      // convert to strings
-      args_.resize(static_cast<decltype(args_)::size_type>(argc));
-      std::transform(argv, argv + argc, args_.begin(), [](const char* const arg) { return arg;  });
+      args_ = argv;
 
       // parse line
       for (auto i = 0u; i < args_.size(); ++i)