Consider the Following Code Snippet: Scanner in = New Scanner

Consider the following code snippet: Scanner in = new Scanner(. . .) ;
In) useDelimiter("[^0-9A-Za-z]+") ;
What characters will be ignored and not read in using this code?

A) Only alphabetic characters will be ignored.
B) Only numeric characters will be ignored.
C) Characters that are neither alphabetic nor numeric will be ignored.
D) Both alphabetic and numeric characters will be ignored.