Question

How to use string.Compare() to compare two strings in C#

Answer 1

using System;

public class CompareTwoStrings
{
    public static void Main()
    {
        string s1 = "abc";
        string s2 = "abc";
        int n = string.Compare(s1, s2); // 0 : s1 = s2
        Console.WriteLine(n);
 
        s1 = "abc";
        s2 = "Abc";
        n = string.Compare(s1, s2); // -1 = s1 < s2
        Console.WriteLine(n);
 
        s1 = "Abc";
        s2 = "abc";
        n = string.Compare(s1, s2); // 1 = s1 > s2 
        Console.WriteLine(n);
 
        s1 = "abc";
        s2 = "Abc";
        n = string.Compare(s1, s2, true); // 0 : s1 = s2
        Console.WriteLine(n);
 
        s1 = "a";
        s2 = "A";
        n = string.Compare(s1, s2); // -1 : s1 < s2
        Console.WriteLine(n);
 
        s1 = "b";
        s2 = "a";
        n = string.Compare(s1, s2); // 1 : s1 > s2
        Console.WriteLine(n);
    }
}



/*
run:
0
-1
1
0
-1
1

*/

 

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