Compare strings : String Compare « Data Types « C# / C Sharp

1. C# / C Sharp
2. Data Types
3. String Compare

Compare strings

   
/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/


// Compare strings. 
 
using System; 
 
public class CompareDemo { 
  public static void Main() { 
    string str1 = "one"; 
    string str2 = "one"; 
    string str3 = "ONE"; 
    string str4 = "two"; 
    string str5 = "one, too"; 
 
 
    if(String.Compare(str1, str2) == 0) 
      Console.WriteLine(str1 + " and " + str2 + 
                        " are equal."); 
    else 
      Console.WriteLine(str1 + " and " + str2 + 
                        " are not equal."); 
 
 
    if(String.Compare(str1, str3) == 0) 
      Console.WriteLine(str1 + " and " + str3 + 
                        " are equal."); 
    else 
      Console.WriteLine(str1 + " and " + str3 + 
                        " are not equal."); 
 
    if(String.Compare(str1, str3, true) == 0) 
      Console.WriteLine(str1 + " and " + str3 + 
                        " are equal ignoring case."); 
    else 
      Console.WriteLine(str1 + " and " + str3 + 
                        " are not equal ignoring case."); 
 
     if(String.Compare(str1, str5) == 0) 
      Console.WriteLine(str1 + " and " + str5 + 
                        " are equal."); 
    else 
      Console.WriteLine(str1 + " and " + str5 + 
                        " are not equal."); 
  
    if(String.Compare(str1, 0, str5, 0, 3) == 0) 
      Console.WriteLine("First part of " + str1 + " and " + 
                        str5 + " are equal."); 
    else 
      Console.WriteLine("First part of " + str1 + " and " + 
                        str5 + " are not equal."); 
 
    int result = String.Compare(str1, str4); 
    if(result < 0) 
      Console.WriteLine(str1 + " is less than " + str4); 
    else if(result > 0) 
      Console.WriteLine(str1 + " is greater than " + str4); 
    else 
      Console.WriteLine(str1 + " equals " + str4); 
  } 
}

           
         
    
    
  

Related examples in the same category

1.	Test for equality between stings.
2.	use the Equals() method and equality operator to check if two strings are equal
3.	use the Compare() method to compare strings
4.	Comparing a String to the Beginning or End of a Second String
5.	String copy and equal
6.	Use String.Compare to check if a URI is a file URI
7.	Sample for String.Compare(String, Int32, String, Int32, Int32, Boolean), ignore case
8.	Sample for String.Compare(String, Int32, String, Int32, Int32, Boolean), Honor case
9.	Check if a String contain another string by ignoring case
10.	Compare two strings with StringComparison.CurrentCultureIgnoreCase
11.	Checks if the string starts with special character. This does not include any special character from AllowedSpecialCharacters