1 every dot is a . but not all dots are .s 2 is it a good test case ? 3 aa.bb.aa. 4 a.....aaaa..a..a.a..a 5 ''.'sd.f'df'.df.'f.' 6 ...adf....fds....sdf 7 .,,;; 8 ,',[,;, 9 10 sdfklj,s,df, /////sdfdf 11 123456 aasdf 12 568 sdf a1b2c3 : 13 ) 14 i am r2d2. 15