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  1. How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.

    2. A.

     7
    B.

     8
    C.

     9
    D.

     10

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    Answer : Option B

    Explanation :

    The functions are preg_filter(), preg_grep(), preg_match(), preg_match_all(), preg_quote(), preg_replace(), preg_replace_callback(), and preg_split().

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