assertTrue(rei.getTopKey().equals(k3));
rei.next();
assertFalse(rei.hasTop());
// -----------------------------------------------------
is.clearOptions();
RegExFilter.setRegexs(is, null, "ya.*", null, null, false);
assertTrue(rei.validateOptions(is.getOptions()));
rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
rei.seek(new Range(), EMPTY_COL_FAMS, false);