Finding occurances of a value in the elements of a list, C#

Finding occurances of a value in the elements of a list

//Title of this code
//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)
        {
            //Trying out few ways to find occurances of a value in the elements of a list         
            List<int> myList = new List<int>();
                                    
            myList = new List<int> ( new int[] {3, 3, 4, 3, 5, 3} );
            int count = 0;
            foreach (int y in myList.FindAll(x => x==3)){ // returns the value of all hits
                Console.WriteLine(y);
                count ++;
            }
            Console.WriteLine(string.Format("{0} occurances of 3 in myList",count));
            Console.WriteLine(string.Format("the first occurance of value 4 is in myList[{0}]\n",
                                            myList.FindIndex(x => x == 4))); // returns only the first encountered hit
            
            // method 2
            count = 0;
            List<string> myStrList = new List<string> ( new string[] {"go", "go", "gone", "goose", "goon"} );
            foreach (string y in myStrList.FindAll(x => x=="go")){ // returns the value of all hits (not the indices)
                Console.WriteLine(y);
                count++;
            }
            Console.WriteLine(string.Format("{0} occurances of \"go\" in myStrList\n",count));
        }
    }
}


run \| edit \| history \| help	0

λ

                                      .NET NoSQL database for rapid development