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  • C#, Perl, and Java Programming Fundamentals
  • Which of these is a valid regular expression meaning "con...
Multiple choice technology programming languages

Which of these is a valid regular expression meaning "contains any digit"?

  1. /[1-9]/

  2. /^\d+$/
  3. /^\d+/

  4. m-\d-

Reveal answer Fill a bubble to check yourself
D Correct answer

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