String comparisons: ignore case : String Compare « String « C# / CSharp Tutorial






using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Text;

public class MainClass
{
    public static void Main()
    {
        bool b1 = "hello" == "hello";      
        Console.WriteLine(b1);
        bool b2 = "hello" == "hi";         
        Console.WriteLine(b2);
        bool b3 = "hello".Equals("hello"); 
        Console.WriteLine(b3);
        bool b4 = "hello".Equals("hi");    
        Console.WriteLine(b4);
        bool b5 = "HoWdY".Equals("howdy"); 
        Console.WriteLine(b5);
        bool b6 = "HoWdY".Equals("howdy", StringComparison.OrdinalIgnoreCase); 
        Console.WriteLine(b6);
    }

}
True
False
True
False
False
True








5.10.String Compare
5.10.1.String comparisons: ignore case
5.10.2.Use '==' to compare two string objects
5.10.3.Compare for equal
5.10.4.Compare string: equal, less than or greater than
5.10.5.If two string are equal
5.10.6.Compare string case sensitively
5.10.7.Compare string with start index and end index
5.10.8.Compare string with String.Compare(string str1, strng str2)
5.10.9.Compare strings using StringComparison enumeration: InvariantCulture
5.10.10.String Interning
5.10.11.String equality
5.10.12.Sample for String.Equals(Object), String.Equals(String), String.Equals(String, String)