Tuple te3 = tupleFactory.newTuple(2);
te3.set(0, null);
te3.set(1, matchRegex);
REGEX_EXTRACT_ALL funce = new REGEX_EXTRACT_ALL();
Tuple re = funce.exec(te1);
assertEquals(re.size(), 2);
assertEquals("this", re.get(0));
assertEquals("match", re.get(1));
re = funce.exec(te2);