/**********************************************************************************************

* This fiddle is a demo of the library : CodingSeb.ExpressionEvaluator

* See : https://github.com/codingseb/ExpressionEvaluator

* For Others examples : https://dotnetfiddle.net/Packages/41132/CodingSeb_ExpressionEvaluator

**********************************************************************************************/

​

using System;

using System.Collections.Generic;

using CodingSeb.ExpressionEvaluator;

​

public class XExpressionEvaluator : ExpressionEvaluator

{

    protected override void Init()

    {

        operatorsDictionary.Add("and", ExpressionOperator.ConditionalAnd);

        operatorsDictionary.Add("or", ExpressionOperator.ConditionalOr);

        operatorsDictionary.Remove("&&");

        operatorsDictionary.Remove("||");

    }

}

​

public class Program

{

    public static void Main()

    {

        ExpressionEvaluator evaluator = new XExpressionEvaluator();

        List<string> expressions = new List<string>()

        {

            "true and true",

            "true and false",

            "false and true",

            "false and false",

            "true && true",

            "true or true",

            "true or false",

            "false or true",

            "false or false",

            "true || true"

        };

        expressions.ForEach(expression => 

        {

            try

            {

                Console.WriteLine(expression);

                Console.WriteLine(evaluator.Evaluate(expression));

            }

            catch(Exception exception)

            {

                Console.WriteLine(exception);

            }

            finally

            {

                Console.WriteLine(string.Empty);    

            }

        });

    }

}