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http://bugs.exim.org/show_bug.cgi?id=1231
Summary: JIT bug with lookbehind assertion in UTF8 mode
Product: PCRE
Version: 8.30
Platform: Other
OS/Version: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Code
AssignedTo: ph10@???
ReportedBy: malcolm.parsons@???
CC: pcre-dev@???
With JIT enabled in UTF8 mode, the regexp
'(?i)(?<!b|th|z|m|p|^)eta(?!\w)' unexpectedly matches ETA:
$ ./pcregrep -V
pcregrep version 8.30 2012-02-04
$ echo ETA | ./pcregrep --no-jit '(?i)(?<!b|th|z|m|p|^)eta(?!\w)'
$ echo ETA | ./pcregrep '(?i)(?<!b|th|z|m|p|^)eta(?!\w)'
$ echo ETA | ./pcregrep -u --no-jit '(?i)(?<!b|th|z|m|p|^)eta(?!\w)'
$ echo ETA | ./pcregrep -u '(?i)(?<!b|th|z|m|p|^)eta(?!\w)'
ETA
No change in trunk:
$ ./pcregrep -V
pcregrep version 8.31-RC1 2012-02-012
$ echo ETA | ./pcregrep --no-jit '(?i)(?<!b|th|z|m|p|^)eta(?!\w)'
$ echo ETA | ./pcregrep -u --no-jit '(?i)(?<!b|th|z|m|p|^)eta(?!\w)'
$ echo ETA | ./pcregrep '(?i)(?<!b|th|z|m|p|^)eta(?!\w)'
$ echo ETA | ./pcregrep -u '(?i)(?<!b|th|z|m|p|^)eta(?!\w)'
ETA
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