using uCalcSoftware; var uc = new uCalc(); Console.WriteLine(uc.ExpressionTokens[TokenType.AlphaNumeric].Name); Console.WriteLine(uc.ExpressionTokens[TokenType.AlphaNumeric].Regex); Console.WriteLine(""); // Note: In C# or VB you can simply use [TokenType::Literal, n] // instead of ByType(TokenType::Literal, n) Console.WriteLine(uc.ExpressionTokens.ByType(TokenType.Literal, 0).Name); Console.WriteLine(uc.ExpressionTokens.ByType(TokenType.Literal, 1).Name); Console.WriteLine(uc.ExpressionTokens.ByType(TokenType.Literal, 2).Name);