Question

How to remove char from a string by index in C#

Answer 1

using System;
using System.Text;

class Program
{
    static string string_char_remove(string s, int idx) { 
        int len = s.Length; 
 
        StringBuilder sb = new StringBuilder(s);
        
        sb.Remove(idx, 1);
        
        return sb.ToString();
    } 
    static void Main() {
        string s = "c# programming"; 
 
        s = string_char_remove(s, 3);

        Console.Write(s);
    }
}




/*
run:

c# rogramming

*/

 

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