[Bug 1456195] Re: Zero-minimum possessive groups does not match empty string

[Brian Murray]

Hello Arne, or anyone else affected,

Accepted pcre3 into wily-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/pcre3/2:8.35-7.1ubuntu1.4 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: pcre3 (Ubuntu Wily)
       Status: In Progress => Fix Committed

** Tags added: verification-needed

** Changed in: pcre3 (Ubuntu Trusty)
       Status: In Progress => Fix Committed

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https://bugs.launchpad.net/bugs/1456195

Title:
  Zero-minimum possessive groups does not match empty string

Status in pcre3 package in Ubuntu:
  Fix Released
Status in pcre3 source package in Trusty:
  Fix Committed
Status in pcre3 source package in Wily:
  Fix Committed
Status in pcre3 source package in Xenial:
  Fix Released

Bug description:
  The 14.04/15.04 pcre version doesn't match some inputs with possessive
  qualfiers:

  $ echo '"a"'|pcregrep '("([^b"]*+(b.)?)*+")*+'
  $

  Earlier versions (10.04, 12.04):
  $ echo '"a"'|pcregrep '("([^b"]*+(b.)?)*+")*+'
  "a"
  $

  this is fixed with the following upstream commit (that applies cleanly
  to the 15.04 pcre):

  http://vcs.pcre.org/pcre?view=revision&revision=1478

  https://lists.exim.org/lurker/message/20140527.131833.2fd7547c.html

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