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  1. Which among the following is/are not a metacharacter?
    1. /a
    2. /A
    3. /b
    4. /B

    2. A.

     Only 1
    B.

     1 and 3
    C.

     2, 3 and 4
    D.

     2 and 4

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    Answer : Option A

    Explanation :

    /A, /b and /B are metacharacters. A: Matches only at the beginning of the string. b: Matches a word boundary. B: Matches anything but a word boundary.

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