Question

Which of the following statements regarding the output of the function re.match is incorrect?

(a) ‘pq*’ will match ‘pq’

(b) ‘pq?’ matches ‘p’

(c) ‘p{4}, q’ does not match ‘pppq’

(d) ‘pq+’ matches ‘p’

The question was posed to me in an online quiz.

Question is taken from Regular Expressions topic in section Regular Expressions and Files of Python

Answer 1

Right answer is (d) ‘pq+’ matches ‘p’

Explanation: All of the above statements are correct except that ‘pq+’ match ‘p’. ‘pq+’ will match ‘p’ followed by any non-zero number of q’s, but it will not match ‘p’.