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  1. Which of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ?
    1. fol
    2. fool
    3. fooool
    4. fooooool

    2. A.

     Only 1
    B.

     2 and 3
    C.

     1, 3 and 4
    D.

     1 and 4

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    Answer : Option B

    Explanation :

    This matches f followed by two to four occurrences of o.

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