How to determine whether string array contains elements that start with a given letter in C#

1 Answer

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using System;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] s = { "PHP", "C", "C++", "C#", "Java", "JavaScript" };

            Console.WriteLine("One or more strings begin with 'C': {0}",
                    Array.Exists(s, element => element.StartsWith("C")));

            Console.WriteLine("One or more strings begin with 'J': {0}",
                    Array.Exists(s, element => element.StartsWith("J")));

            Console.WriteLine("One or more strings begin with 'W': {0}",
                    Array.Exists(s, element => element.StartsWith("W")));
        }
    }
}


/*
run:
 
One or more strings begin with 'C': True
One or more strings begin with 'J': True
One or more strings begin with 'W': False

*/

 



answered Apr 15, 2016 by avibootz
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