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  1. How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.
    1. 10
    2. 9
    3. 8
    4. 7
    5. None of these
Correct Option: C

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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