Question

How to remove multiple chars from a string from a given index in C#

Answer 1

using System;
using System.Text;

class Program
{
    static string string_multiple_chars_remove(string s, int idx, int total) {
        int len = s.Length; 
 
        StringBuilder sb = new StringBuilder(s);
        
        sb.Remove(idx, total);
        
        return sb.ToString();
    } 
    static void Main() {
        string s = "c# programming"; 
 
        s = string_multiple_chars_remove(s, 3, 4);

        Console.Write(s);
    }
}




/*
run:

c# ramming

*/

 

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