1. Microsoft Visual Basic 2005: Reloaded Second Edition
Chapter 6
String Manipulation and More Controls

2. The Insert Method
Insert method: used to insert characters anywhere within a string
startIndex argument: specifies where in the string to insert the value
string argument: the string being manipulated
value argument: the character(s) to be inserted
Microsoft Visual Basic 2005: Reloaded, Second Edition

3. The Insert Method (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

4. The Insert Method (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

5. The Insert Method (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

6. The Insert Method (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

7. The Insert Method (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

8. Search a String for One or More Characters
StartsWith method: determines whether a specific sequence of characters occurs at the beginning of a string
EndsWith method: determines whether a specific sequence of characters occurs at the end of a string
subString argument: the sequence of characters to be searched for
StartsWith and EndsWith methods:
Return Boolean values
Perform a case-sensitive search
Microsoft Visual Basic 2005: Reloaded, Second Edition

9. Search a String for One or More Characters (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

10. Search a String for One or More Characters (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

11. Search a String for One or More Characters (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

12. Search a String for One or More Characters (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

13. Search a String for One or More Characters (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

14. The Contains Method Contains method:
Determines if a string contains a specific sequence of characters
Is a method of the String class
subString argument: represents the sequence of characters to be searched for
string argument: the string in which to search
Microsoft Visual Basic 2005: Reloaded, Second Edition

15. The Contains Method (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

16. The Contains Method (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

17. The Contains Method (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

18. The Contains Method (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

19. The Contains Method (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

20. The IndexOf Method
IndexOf method: returns an integer representing the location of a substring within a string
Performs a case-sensitive search
subString argument: sequence of characters to be searched for
string argument: the string to be searched
startIndex argument: the starting position for the search (zero-relative)
Microsoft Visual Basic 2005: Reloaded, Second Edition

21. The IndexOf Method (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

22. The IndexOf Method (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

23. The IndexOf Method (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

24. The IndexOf Method (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

25. The IndexOf Method (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

26. Accessing Characters Contained in a String
SubString method: accesses any number of characters contained in a string
startIndex argument: index of the first character to be accessed (zero-relative)
string argument: the string containing the characters to be accessed
count argument: number of characters to be accessed
Microsoft Visual Basic 2005: Reloaded, Second Edition

27. Accessing Characters Contained in a String (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

28. Accessing Characters Contained in a String (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

29. Accessing Characters Contained in a String (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition

30. Accessing Characters Contained in a String (continued)
Microsoft Visual Basic 2005: Reloaded, Second Edition