I am studying for a test and I am trying to figure this out, Could someone please help me with this answer? I think it might be number 2, (/^\d{5}$/) I am not sure. What are your suggestions?

  1. /[d5]/
  2. /^\d{5}$/
  3. /+\d[5]?/
  4. /$\d5^/

Number 2 is correct.

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