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Comparing two strings in C#

Comparing two strings in C#: Here, we will learn how to compare two strings using string.CompareTo() method in C#.Net?

Given two strings and we have to check whether strings are same or not?

string.CompareTo() Method

string.CompareTo() is a method of string class, it is used to compare two strings.

Syntax:

int string.CompareTo(string str);

Method returns 0, greater than 0 or less than 0.

Return values:

• 0 - If strings matched.
• >0 - First string is greatest on the basis of Unicode character.
• <<0 - First string is smallest on the basis of Unicode character.

C# program to compare two strings

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

namespace ConsoleApplication1
{
    class Program
    {
        static void Main()
        {
            string str = "Hello";

            if (str.CompareTo("Hello") == 0)
            {
                Console.WriteLine("String is matched");
            }
            else
            {
                Console.WriteLine("String is not matched");
            }


            if (str.CompareTo("Hiii") == 0)
            {
                Console.WriteLine("String is matched");
            }
            else
            {
                Console.WriteLine("String is not matched");
            }
        }
    }
}

Output

String is matched
String is not matched

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