use Perl

• three regexen (Score:2)

  by wickline (135)

  > Changing my $person to
  >    qr/[\x08\x09](G[A-Z]{7})/
  > or
  >    qr/[\x08\x09](S[A-Z]{7})/
  > gives me a bunch of different records. But why would
  >    (S[A-Z]{7})
  > give different results than
  >    ([A-Z]{8})
  > ?. I'm stumped.

  I'm not sure if I'm misreading this, but it looks like you have three different regular expressions there:

      qr/  G [A-Z]{7}  /x
      qr/  S [A-Z]{7}  /x
      qr/   
  • Re:three regexen (Score:2)

    by gav (2710)

    > I would expect the three of them to match different values. The first one matches eight-letter uc words starting with 'G'. The second matches eight letter uc words starting with 'S'. The final regex matches eight letter uc words starting with any letter.
    
    Sorry for not being clear. I'd expect /S[A-Z]{7}/ to be a subset of the matches from /[A-Z]{8}/ but instead the latter isn't returning some of the results the former does.
    • Re:three regexen (Score:2)

      by wickline (135) on 2004.10.17 16:12 (#35264) Journal

      That would match my expectation as well. Are you 100% positive that there is no other difference in the two regexen (or the two scripts)?
      
      If so, I'd be stumped too :/
      
      -matt

      Reply to This

      Parent