Compare strings by index: string1.compare( 2, 5, string3, 0, 5) : string compare « string « C++ Tutorial

1.	Language Basics
2.	Data Types
3.	Operators statements
4.	Array
5.	Development
6.	Exceptions
7.	Function
8.	Structure
9.	Class
10.	Operator Overloading
11.	Pointer
12.	File Stream
13.	template
14.	STL Introduction
15.	string
16.	vector
17.	list
18.	bitset
19.	set multiset
20.	valarray
21.	queue stack
22.	deque
23.	map multimap
24.	STL Algorithms Modifying sequence operations
25.	STL Algorithms Non modifying sequence operations
26.	STL Algorithms Binary search
27.	STL Algorithms Sorting
28.	STL Algorithms Merge
29.	STL Algorithms Min Max
30.	STL Algorithms Iterator
31.	STL Algorithms Heap
32.	STL Algorithms Helper

C / ANSI-C

C Tutorial

C++

Visual C++ .NET

C++ Tutorial » string » string compare

15.7.7.Compare strings by index: string1.compare( 2, 5, string3, 0, 5)

#include <iostream>

using std::cout;

using std::endl;



#include <string>

using std::string;



int main()

{

   string string1( "AAAAAAAAAAAAAA" );

   string string2( "BBBBBBBBBBBBBB" );

   string string3( "CCCCCCCCCCCCCC" );

   string string4( string2 );



   cout << "string1: " << string1 << "\nstring2: " << string2

      << "\nstring3: " << string3 << "\nstring4: " << string4 << "\n\n";



   // comparing string1 (elements 2-5) and string3 (elements 0-5)

   int result = string1.compare( 2, 5, string3, 0, 5 );



   if ( result == 0 )

      cout << "string1.compare( 2, 5, string3, 0, 5 ) == 0\n";

   else {

      if ( result > 0 )

         cout << "string1.compare( 2, 5, string3, 0, 5 ) > 0\n";

      else

         cout << "string1.compare( 2, 5, string3, 0, 5 ) < 0\n";

   }



   return 0;

}

string1: AAAAAAAAAAAAAA
string2: BBBBBBBBBBBBBB
string3: CCCCCCCCCCCCCC
string4: BBBBBBBBBBBBBB

string1.compare( 2, 5, string3, 0, 5 ) < 0

15.7.string compare
	15.7.1.	String: equals
	15.7.2.	string overloaded equality and relational operators
	15.7.3.	Compare string ignoring the case
	15.7.4.	Compare sub string: string4.compare( 0, string2.length(), string2 )
	15.7.5.	Use == > and < to compare strings
	15.7.6.	Use string.compare to compare two strings
	15.7.7.	Compare strings by index: string1.compare( 2, 5, string3, 0, 5)
	15.7.8.	Set with functor for string comparison
	15.7.9.	Case-Sensitive Substring Comparison: equivalent of strncmp()
	15.7.10.	Case-Sensitive Substring Comparison: generalization of strncmp()
	15.7.11.	Case-Sensitive String Comparisons
	15.7.12.	Use std::lexicographical_compare to compare two char arrays

www.java2java.com | Contact Us

All other trademarks are property of their respective owners.