// сравнение
        private List <string[]> Sravn(string[][] data)
        {
            List <string[]> rezlist = new List <string[]>();

            foreach (string[] str in data)
            {
                // количество слов в строке
                if (str.Count() != 2)
                {
                    continue;
                }
                else
                {
                    string[] mass;

                    SimMetricsMetricUtilities.Levenstein ex_l = new SimMetricsMetricUtilities.Levenstein();

                    Stopwatch t = new Stopwatch();
                    t.Start();
                    double rj1 = Math.Round(Jaro.Func(str[0], str[1]), 2);
                    string tj1 = Math.Round(t.Elapsed.TotalMilliseconds, 2).ToString();

                    t = new Stopwatch();
                    t.Start();
                    double rj2 = Math.Round(ExJaro.distance(str[0], str[1]), 2);
                    string tj2 = Math.Round(t.Elapsed.TotalMilliseconds, 2).ToString();

                    // -----

                    t = new Stopwatch();
                    t.Start();
                    double rjv1 = Math.Round(JaroVincler.Func(str[0], str[1]), 2);
                    string tjv1 = Math.Round(t.Elapsed.TotalMilliseconds, 2).ToString();

                    t = new Stopwatch();
                    t.Start();
                    double rjv2 = Math.Round(ExJaroWincler.distance(str[0], str[1]), 2);
                    string tjv2 = Math.Round(t.Elapsed.TotalMilliseconds, 2).ToString();

                    // ----

                    t = new Stopwatch();
                    t.Start();
                    double rl1 = Math.Round(Levenstein.Func(str[0], str[1]), 2);
                    string tl1 = Math.Round(t.Elapsed.TotalMilliseconds, 2).ToString();

                    t = new Stopwatch();
                    t.Start();
                    double rl2 = Math.Round(ex_l.GetSimilarity(str[0], str[1]), 2);
                    string tl2 = Math.Round(t.Elapsed.TotalMilliseconds, 2).ToString();

                    rezlist.Add(new string[14] {
                        rj1.ToString(), tj1, rj2.ToString(), tj2,
                        rjv1.ToString(), tjv1, rjv2.ToString(), tjv2,
                        rl1.ToString(), tl1, rl2.ToString(), tl2, str[0], str[1]
                    });
                }
            }

            return(rezlist);
        }
 private static bool FuzzyMatchesFood(this string unknownText, string knownFood)
 {
     var ls = new SimMetricsMetricUtilities.Levenstein();
     var similarity = ls.GetSimilarity(unknownText, knownFood);
     return similarity > 0.75;
 }