Question

How to search for multiple characters the right (reverse) in C#

Answer 1

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                string s = "aaghiccbbddeefffg!";
                int i = s.LastIndexOfAny(new char[] { 'c', 'b' });
                Console.WriteLine(i); // 8
                Console.WriteLine(s[i]); // b
                Console.WriteLine(s[i - 1]); // b
                Console.WriteLine(s[i + 1]); // d
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
    }
}

/*
run:
  
8
b
b
d
 
*/

70+ SQL courses for beginners and professionals