Question

How to removes substring from a string in C#

Answer 1

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string s = "c# c c++ java";

            int index =  s.IndexOf("c++");
            if (index != -1)
                s = s.Remove(index, 3); 

            Console.WriteLine(s);
        }
    }
}

/*
run:
 
c# c  java
    
*/

 

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Answer 2

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string s = "c# c c++ java";
            string sub = "c++";

            int index =  s.IndexOf(sub);
            if (index != -1)
                s = s.Remove(index, sub.Length); 

            Console.WriteLine(s);
        }
    }
}

/*
run:
 
c# c  java
    
*/

 

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Answer 3

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string s = "c# c c++ java";

            s = s.Remove(5, 3);

            Console.WriteLine(s);
        }
    }
}

/*
run:
 
c# c  java
    
*/

 

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