public static String removeCRLF(String s) {
        return s
                .replace("\r", "")
                .replace("\n", "");
    }
@Test
    public void testSimpleCRLF() {
        String out = StringHelper.removeCRLF("hello");
        assertEquals("hello", out);
        boolean b6 = !out.contains("\r");
        assertTrue(b6, "Should not contain : ");
        boolean b5 = !out.contains("\n");
        assertTrue(b5, "Should not contain : ");

        out = StringHelper.removeCRLF("hello\r\n");
        assertEquals("hello", out);
        boolean b4 = !out.contains("\r");
        assertTrue(b4, "Should not contain : ");
        boolean b3 = !out.contains("\n");
        assertTrue(b3, "Should not contain : ");

        out = StringHelper.removeCRLF("\r\nhe\r\nllo\n");
        assertEquals("hello", out);
        boolean b2 = !out.contains("\r");
        assertTrue(b2, "Should not contain : ");
        boolean b1 = !out.contains("\n");
        assertTrue(b1, "Should not contain : ");

        out = StringHelper.removeCRLF("hello" + System.lineSeparator());
        assertEquals("hello", out);
        boolean b = !out.contains(System.lineSeparator());
        assertTrue(b, "Should not contain : ");
    }