Question

How to insert a string at specific index into StringBuilder in C#

Answer 1

using System;
using System.Text;

class Program
{
    static void Main()
    {
        StringBuilder sb = new StringBuilder("C# Java C");

        sb.Insert(3, "C++ ");

        Console.WriteLine(sb);
    }
}







/*
run:

C# C++ Java C

*/

 

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