public string SerbianLatinToCyrillic(string rec)
        {
            Srpski slova = new Srpski();

            foreach (KeyValuePair <string, string> pair in slova.getDictionary())
            {
                rec = rec.Replace(pair.Value, pair.Key);
                // For upper case
                rec = rec.Replace(pair.Value.ToUpper(), pair.Key.ToUpper());
            }

            return(rec);
        }
        public static string ToSerbianLatin(this string rec)
        {
            //Dictionary<string, string> slova = new Dictionary<string, string>();
            Srpski slova = new Srpski();

            foreach (KeyValuePair <string, string> pair in slova.getDictionary())
            {
                rec = rec.Replace(pair.Key, pair.Value);
                // For upper case
                rec = rec.Replace(pair.Key.ToUpper(), pair.Value.ToUpper());
            }

            return(rec);
        }