Question

Choose the function whose output can be: <_sre.SRE_Match object; span=(4, 8), match=’aaaa’>.

(a) >>> re.search(‘aaaa’, “alohaaaa”, 0)

(b) >>> re.match(‘aaaa’, “alohaaaa”, 0)

(c) >>> re.match(‘aaa’, “alohaaa”, 0)

(d) >>> re.search(‘aaa’, “alohaaa”, 0)

The question was asked in an internship interview.

This key question is from Regular Expressions topic in section Regular Expressions and Files of Python

Answer 1

The correct option is (a) >>> re.search(‘aaaa’, “alohaaaa”, 0)

Explanation: The output shown above is that of a search function, whose pattern is ‘aaaa’ and the string is that of 8 characters. The only option which matches all these criteria is:

 >>> re.search(‘aaaa’, “alohaaaa”, 0)