You need to retrieve a portion of a string based on its position and length.
Use the String.Substring method.
The String.Substring method requires two integer parameters, a startIndex and a length. As with all string indexes, startIndex is zero-based (in other words, the first character in the string is designated as character 0).
Dim FullName As String = "Bill Jones" Dim FirstName As String ' Retrieve the 4-character substring starting at 0. FirstName = FullName.Substring(0, 4) ' FirstName is now "Bill"
Optionally, you can omit the length parameter to take a substring that continues to the end of the string:
Dim FullName As String = "Bill Jones" Dim LastName As String ' Retrieve the substring ...