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

* This Fiddle is the minimal code to try the library : CodingSeb.ExpressionEvaluator

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

* For examples on how to use Expression Evaluator : 

* https://dotnetfiddle.net/Packages/41132/CodingSeb_ExpressionEvaluator

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

​

using System;

using System.Collections.Generic;

using CodingSeb.ExpressionEvaluator;

public class Program

{

    class XExpressionEvaluator : ExpressionEvaluator

    {

        public XExpressionEvaluator()

        {

            defaultVariables.Remove("E");   

        }

    }

    public static void Main()

    {

        XExpressionEvaluator evaluator = new XExpressionEvaluator();

        evaluator.Variables = new Dictionary<string, object>()

        {

            { "A", true },

            { "B", false },

            { "C", false },

            { "E", true },

        };

        Console.WriteLine(evaluator.Evaluate("(A&&B&&C)||(A&&B)||(A&&E&&C)"));

    }

}