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The MCQ: The Perl-compatible regex patterns are always ended by one particular character, which must be "Perl Compatible Regular Expressions" App Download [Free] with answers: same as beginning and end, same at middle and end, and different from beginning to learn computing courses online. Practice Perl Compatible Regular Expressions Quiz Questions, download Apple e-Book (Free Sample) to learn online certificate courses.

Perl Compatible Regular Expressions Questions and Answers PDF Download

MCQ: 1

The 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: 2

In Perl-compatible patterns any pattern that is followed by ? 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: 3

Why a special character is used in the beginning and the 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: 4

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

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