Question

How to count the digits from a string using Linq in C#

Answer 1

using System;
using System.Linq;

public class Program
{
    public static void Main()
    {
        string s = "ABC75DE8FG-J80-900C-21PO";

        var result = from ch in s
                     where char.IsDigit(ch)
                     select ch;

        int count = result.Count();
             
        Console.WriteLine(count);
    }
}




/*
run:

10

*/

 

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