Public bug reported:
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
** Affects: pcre3 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1456195
Title:
Zero-minimum possessive groups does not match empty string
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