a\Sz

  1. would match any three-character string starting with "a" and ending with "z" whose second character was not a space, tab or newline.

  2. the second character could be a letter, number or symbol

  3. would match any three-character string starting with "a" and ending with "z" whose second character was a newline

  4. None of the above


Correct Option: A,B

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