using System;

class Sample {
    public static void Main() {
        String str1 = "this is a test";
        String str2 = "This is a test";
        String str;
        int result;
    
        Console.WriteLine("Honor case:");
        result = String.Compare(str1, 2, str2, 2, 2, false);
        str = ((result < 0) ? "less than" : ((result > 0) ? "greater than" : "equal to"));
        Console.Write("Substring &#039;{0}&#039; in &#039;{1}&#039; is ", str1.Substring(2, 2), str1);
        Console.Write("{0} ", str);
        Console.WriteLine("substring &#039;{0}&#039; in &#039;{1}&#039;.", str2.Substring(2, 2), str2);
    
    }
}

   
    
     

   
  
using System;

class Sample {
    public static void Main() {
        String str1 = "this is a test";
        String str2 = "This is a test";
        String str;
        int result;
    
        result = String.Compare(str1, 2, str2, 2, 2, true);
        str = ((result < 0) ? "less than" : ((result > 0) ? "greater than" : "equal to"));
        Console.Write("Substring &#039;{0}&#039; in &#039;{1}&#039; is ", str1.Substring(2, 2), str1);
        Console.Write("{0} ", str);
        Console.WriteLine("substring &#039;{0}&#039; in &#039;{1}&#039;.", str2.Substring(2, 2), str2);
    
    }
}

   
    
     

   
  

using System;
public class StringParsing
{
   public static void Main()
   {
   }

 static bool IsFileURI(String path)
 { 
    return (String.Compare(path, 0, "file:", 0, 5, StringComparison.OrdinalIgnoreCase) == 0);
 }
}

   
    
     

   
  
/*
Learning C# 
by Jesse Liberty

Publisher: O'Reilly 
ISBN: 0596003765
*/
 using System;

 namespace StringManipulation
 {
    public class TesterStringCopyEqual
    {
       public void Run()
       {
           string s1 = "abcd";
           string s2 = "ABCD";

           // the string copy method
           string s5 = string.Copy(s2);
           Console.WriteLine(
               "s5 copied from s2: {0}", s5);

           // copy with the overloaded operator
           string s6 = s5;
           Console.WriteLine("s6 = s5: {0}", s6);

           // member method
           Console.WriteLine(
               "
Does s6.Equals(s5)?: {0}",
               s6.Equals(s5));

           // static method
           Console.WriteLine(
               "Does Equals(s6,s5)?: {0}",
               string.Equals(s6,s5));

           // overloaded operator
           Console.WriteLine(
               "Does s6==s5?: {0}", s6 == s5);
       }

       static void Main()
       {
          TesterStringCopyEqual t = new TesterStringCopyEqual();
          t.Run();
       }
    }
 }


           
         
    
     

   
  
/*
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); 
  } 
}

           
         
    
     

   
  

using System;
using System.Data;
using System.Text.RegularExpressions;
using System.Text;
class Class1{
        static void Main(string[] args){
      string head = "str";
      string test = "strVarName";
      Console.WriteLine(test.StartsWith(head));

      string tail = "Name";
      test = "strVarName";
      Console.WriteLine(test.EndsWith(tail));
        
    
    
      head = "str";
      test = "strVarName";
      Console.WriteLine(string.Compare(head, 0, test, 0, head.Length, true));

      tail = "Name";
      test = "strVarName";
      Console.WriteLine(string.Compare(tail, 0, test, (test.Length - tail.Length), tail.Length, true));
        }
}

           
         
    
     

   
   
using System;

class MainClass {

    public static void Main() {

        int result;
        result = String.Compare("bbc", "abc");
        Console.WriteLine("String.Compare("bbc", "abc") = " + result);
        result = String.Compare("abc", "bbc");
        Console.WriteLine("String.Compare("abc", "bbc") = " + result);
        result = String.Compare("bbc", "bbc");
        Console.WriteLine("String.Compare("bbc", "bbc") = " + result);
        result = String.Compare("bbc", "BBC", true);
        Console.WriteLine("String.Compare("bbc", "BBC", true) = " + result);
        result = String.Compare("bbc", "BBC", false);
        Console.WriteLine("String.Compare("bbc", "BBC", false) = " + result);
        result = String.Compare("Hello World", 6, "Goodbye World", 8, 5);
        Console.WriteLine("String.Compare("Hello World", 6, " + ""Goodbye World", 8, 5) = " + result);
    
    }
}