A 234 b 334 c 2334 d 0123456 e 01234456 f 12334567 g compilation fails
This is a Question from K&B chapter 6 The answer I got after compiling was 0. The answer mentioned is "e is correct " even though later it says a,b,c,d,e,f,g are incorrect due to the above reason.
I believe there is a typo somewhere, but either way I cannot understand the result or the question.And i cannot understan the options given to chose the answer.They are no where even close to what i thought would be the result.
Not sure what exactly does "\d*" means. I think it is Zero or more digits, But can somebody specify how the matching take place and also the use of group().
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