def _re_fn(expr, item):
    reg = re.compile(expr, re.I)
    return reg.search(item) is not None
Test for singular np dtypes
dataset/ETHPy150Open openstack/aeromancer/aeromancer/db/connect.py/_re_fn--crossover with--dataset/ETHPy150Open telegraphic/hickle/tests/test_hickle.py/test_np_float