Some More String Operators

• length, size
  • Return the number of characters in a string.

    string name = "Hello World";
    cout << name.size() ;
    	

• find (substring)
  • Returns the position of the substring within the string
  • starting from position 0
  • string::nopos if it is not found
  • name.find("Wo");
• substr(start, length);
  • Returns a string, starting at position start of length lenght.
  • Strings are numbered from position 0
  • name.substr(2,4);

Read the Software engineering tip on page 127

Read testing and debugging on page 131

Do exercise 3, page 137

Do Exercise 4, page 190