How to get an "array group"?

How to get an "array group"?

Consider the following simplistic example:
+++++++++++++++++++++++++++++++++
import java.util.regex.Pattern;
import java.util.regex.Matcher;

public class Test {
    public static void main(String[] args) throws Exception
{
        String text = "a, bb, ccc, dddd, eeeee, ffffff
and
gggggggggg";
        String regex = "([^,]*)((, ([^,]*))* and
([^,]*))?";

        Pattern pattern = Pattern.compile(regex);
        Matcher matcher = pattern.matcher(text);

        if (!matcher.matches())
            throw new Exception("No match
found.");

        for (int i = 0; i < matcher.groupCount()+1; i++)
            System.out.println("Group " + i +
": " +
matcher.group(i));
    }
}
+++++++++++++++++++++++++++++++++

I get the following result:
+++++++++++++++++++++++++++++++
Group 0: a, bb, ccc, dddd, eeeee, ffffff and gggggggggg
Group 1: a
Group 2: , bb, ccc, dddd, eeeee, ffffff and gggggggggg
Group 3: , ffffff
Group 4: ffffff
Group 5: gggggggggg
++++++++++++++++++++

That is:
group 1 contains the first element: a  <-correct
group 5 contains the last element: ggggggg <- correct

However. I would need group 4 to contain an array with [bb,
ccc, dddd,
eeeee, fffffff] instead of just the last one (fffffff).

--------
This is what I mean by obtaining an "array
group".
How can I get this?


ps: I know that I could get that by recursively treating
group 2.
However, simply getting an "array group" for group
2 seems very
natural to me.

pss: maybe another regular expression package can do this?
The sample chapter of the O'Reilly book "Mastering
Regular
Expressions" is a comparison of several Java APIs
(however, it is a
little old): http://www.oreilly.com/catalog/regex2/chapter/ch08.pdf


Many thanks,
DAvid


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