C# String Insert()

The C# Insert() method is used to insert the specified string at specified index number. The index number starts from 0. After inserting the specified string, it returns a new modified string.

Signature

Parameters

first: It is used to pass as an index.

second: It is used to insert the given string at specified index.

Return

It returns a new modified string.

C# String Insert() Method Example

using System;  
    public class StringExample  
    {  
        public static void Main(string[] args)  
        {  
          string s1 = "Hello C#";
          string s2 = s1.Insert(5,"-");
          Console.WriteLine(s2);
        }  
    }  

Output:

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