Question

How to compare two strings lexicographically in C#

Answer 1

using System;

public class CompareTwoStringsLexicographically_CSharp {
    public static void Main(string[] args) {

        Console.WriteLine(Compare("aa", "ab")); // <
        Console.WriteLine(Compare("a", "b")); // <
        Console.WriteLine(Compare("a", "c")); // <
        
        Console.WriteLine(string.Compare("aaa", "aca")); // <
        
        Console.WriteLine(Compare("aa", "aa")); // ==
        
        Console.WriteLine(Compare("ba", "aa")); // >
        Console.WriteLine(Compare("ca", "aa")); // >
        Console.WriteLine(Compare("ab", "aa")); // >
    }
    
    public static int Compare(string a, string b) {
        return string.Compare(a, b);
    }
}

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

 

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