A system must recognize any number of consecutive 'a's. Which regular expression correctly models this?
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Correct answer: (B) a*
From CIL MT Systems PYQ, 24 Aug 2026 (3:00 PM, CBT-26)
This is question 142 of CIL MT Systems PYQ, 24 Aug 2026 (3:00 PM, CBT-26). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.