Question

How to find the position of the first occurrence of a substring in a string with C#

Answer 1

using System;

class Program
{
    static void Main()
    {
        string str = "I bought running shoes, but they started running alone, now we are both happy";
        string substring = "running";

        // Find the position of the first occurrence of a substring
        int position = str.IndexOf(substring);

        if (position != -1) {
            Console.WriteLine($"The first occurrence of \"{substring}\" is at position: {position}");
        }
        else {
            Console.WriteLine("Substring not found!");
        }
    }
}



/*
run:

The first occurrence of "running" is at position: 9

*/

 

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