blanaced parenthes, C#

blanaced parenthes

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //Your code goes here
            var word = "[3{242]}]";
            var arrChr = word.ToCharArray();
            List<char> pushList = new List<char>();
            char[] parenClose = {')', ']', '}'};
            char[] parenOpen = {'(','[','{'};
            for(int i=0; i<arrChr.Length; i++)
            {
                if(parenClose.Contains(arrChr[i])){
                    var lastParens=pushList[pushList.Count-1];
                    if((lastParens == '{' &&  arrChr[i] == '}') || (lastParens == '(' &&  arrChr[i] == ')') || (lastParens == '[' &&  arrChr[i] == ']'))
                    {
                        pushList.RemoveAt(pushList.Count-1);
                    }else{
                        Console.WriteLine("Error not valid !");
                        return;
                    }
                }
                else
                    if(parenOpen.Contains(arrChr[i]))
                        pushList.Add(arrChr[i]);
            }
            
            Console.WriteLine("Success valid");
            
        }
    }
}


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