def test_regroup(): f = r.re_group('(\d+)') | list assert f('a1 b23') == ['1', '23']
def test_regroup_iterable(): f = r.re_group('(\d+)') | list assert f(['a1 b23']) == ['1', '23']
def test_regroup_nested_iterable(): f = r.re_group('(\d+)') | list assert f([['a1 b23'], 'c3']) == ['1', '23', '3']