    @Test
    public void findTokenStart_multiple() throws Exception {

        assertThat(tokenizer.findTokenStart(" @:", 3), is(1));
        assertThat(tokenizer.findTokenStart(" :@", 3), is(1));
        assertThat(tokenizer.findTokenStart(" :test1@test2", 3), is(1));
        assertThat(tokenizer.findTokenStart(" :test1 @test2", 9), is(8));
    }