Q:

How to get substring from a string in C#?

belongs to collection: C# Basic Programs | String programs

mahmoud2506
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2022-05-09
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Given a string and we have to get the substring of N characters.

For Example: Input string is "India is great country" and we want to extract the substring (5 characters ) from 9th index, which will be "great".

String.Substring()

String.Substring() Method returns the given number of characters (length) from given starting position (index).

Syntax:

String String.Substring(int index, int length );

Here,
index – is the starting indexing from where you want to extract the substring (indexing starts from 0).
length – is the total number of characters to be extracted.
Return type String – method will return the length characters from index (substring), which will be the result.

 

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mahmoud2506
2022-05-09
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Consider the program:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main()
        {
            String str1;
            String str2;

            Console.Write("Enter string : ");
            str1 = Console.ReadLine();

            str2 = str1.Substring(9, 5);
            
            Console.WriteLine("Sub string is: " + str2);
        }
    }
  
}

Output

Enter string : India is great country.
Sub string is: great

 

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