Practice More Quizzes:
Q:
Which of these options correspond to matching a pattern at most once?
Q:
Which of these options correspond to matching a pattern at least twice?
Q:
Which of these options correspond to match one of the characters x,y,z?
Q:
Which of these options correspond to match none of the characters x,y,z?
Q:
Which of these options correspond to matching a pattern at least once, but at most thrice?
Q:
Which of these options correspond to match the sequence xyz?
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