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1      // Demonstrating string member functions erase and replace.

2      #include <iostream>

3      using std::cout;

4      using std::endl;

5       

6      #include <string>

7      using std::string;

8       

9      int main()

10   {

11      // compiler concatenates all parts into one string

12      string string1( "The values in any left subtree"

13         "\nare less than the value in the"

14         "\nparent node and the values in"

15         "\nany right subtree are greater"

16         "\nthan the value in the parent node" );

17      

18      cout << "Original string:\n" << string1 << endl << endl;

19    

20      // remove all characters from (and including) location 62

21      // through the end of string1

22      string1.erase( 62 );

23    

24      // output new string

25      cout << "Original string after erase:\n" << string1

26         << "\n\nAfter first replacement:\n";

27                

28      int position = string1.find( " " ); // find first space

29    

30      // replace all spaces with period

31      while ( position != string::npos )

32      {

33         string1.replace( position, 1, "." );

34         position = string1.find( " ", position + 1 );

35      } // end while

36       

37      cout << string1 << "\n\nAfter second replacement:\n";

38      

39      position = string1.find( "." ); // find first period

40    

41      // replace all periods with two semicolons

42      // NOTE: this will overwrite characters

43      while ( position != string::npos )

44      {

45         string1.replace( position, 2, "xxxxx;;yyy", 5, 2 );

46         position = string1.find( ".", position + 1 );

47      } // end while

48    

49      cout << string1 << endl;

50      return 0;

51   } // end main