System.Runtime.Serialization.Plists.Extensions.IsAscii C# (CSharp) Method

        public static bool IsAscii(this string value)
        {
            if (!string.IsNullOrEmpty(value))
            {
                foreach (char c in value)
                {
                    if (c > 127)
                    {
                        return false;
                    }
                }
            }

            return true;
        }