Q:

In Perl-compatible patterns any pattern that is followed by ? this means that

mhmadesk
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2022-06-25
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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
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mhmadesk
2022-06-25
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 (b).Match this pattern exactly 1 time

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