CloudinaryDotNet.Url.Encode C# (CSharp) Метод

        private static string Encode(string input)
        {
            StringBuilder resultStr = new StringBuilder(input.Length);
            foreach (char ch in input)
            {
                if (!IsSafe(ch))
                {
                    resultStr.Append('%');
                    resultStr.Append(String.Format("{0:X2}", (short)ch));
                }
                else
                {
                    resultStr.Append(ch);
                }
            }
            return resultStr.ToString();
        }