Perl Compatible Regular Expressions MCQs Quiz Online PDF Download

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MCQs on Perl Compatible Regular Expressions Quiz PDF Download

MCQ: Perl-compatible regex patterns are always ended by one particular character, which must be?

  1. Same as beginning and end
  2. Same at middle and end
  3. Different from beginning
  4. None of them


MCQ: In Perl-compatible patterns any pattern that is followed by <strong> ? </strong> this means that

  1. Match this pattern 1 or more times
  2. Match this pattern exactly 1 time
  3. Match this pattern 0 times
  4. None of them


MCQ: Why a special character is used in beginning and end of string in Perl-compatible patterns?

  1. Because it indicates the beginning and end of the pattern
  2. Because it indicates that it?s a integer string
  3. Because it indicates the literal
  4. It indicates nothing


MCQ: All these functions are preg_quote ( ), preg_grep ( ), preg_split ( ), preg_match_all ( ) example of

  1. POSIX style regex
  2. Competent style regex
  3. Perl compatible style regex
  4. None of them