System.Text.RegularExpressions.RegexCode.OperatorDescription C# (CSharp) Method

        internal static string OperatorDescription(int Opcode)
        {
            bool isCi = ((Opcode & Ci) != 0);
            bool isRtl = ((Opcode & Rtl) != 0);
            bool isBack = ((Opcode & Back) != 0);
            bool isBack2 = ((Opcode & Back2) != 0);

            return CodeStr[Opcode & Mask] +
            (isCi ? "-Ci" : "") + (isRtl ? "-Rtl" : "") + (isBack ? "-Back" : "") + (isBack2 ? "-Back2" : "");
        }