    @Test
    public void testRemoveNonNumeric() throws Exception {

        Assert.assertEquals(removeNonNumeric("3515 1222 8436 4200 0195 6500 1000 0018 1214 0002 0216"), "35151222843642000195650010000018121400020216");
        Assert.assertEquals(removeNonNumeric("22.843.642/0001-95"),"22843642000195");
    }