You are evaluating a routing policy for an ISP and you find the ^42+ .* (23|9)$ regular expression.
Which three AS paths match the regular expression? (Choose three.)
A . 42 42 42 42 9
B . 42 42 23 500
C . 42 42 42 60 9
D . 42 60 23 9 42
E . 42 69 500 23
Answer: A,C,E