Argentini.Halide.H3Text.SentenceCase C# (CSharp) Метод

        public static String SentenceCase(string input)
        {
            if (input.Length < 1)
            {
                return input;
            }

            else
            {
                string sentence = input.ToLower();
                return sentence[0].ToString().ToUpper() + sentence.Substring(1);
            }
        }