Java Regex: repetitive groups?

Question

How can I define repetitive groups in Java Regex?

Lets say a 2digit number [0-9]{2} multiple times separates by ,

12,34,98,11

Is that p

Answer 1

In Java you may also use Scanner APIs for this:

final Pattern pat = Pattern.compile("\\d{2}");
Scanner scan = new Scanner("12,34,98,11");
scan.useDelimiter(",");
while(scan.hasNext(pat)) {
    System.out.println( "Token: " + scan.next() );
}
scan.close();