https://bugs.exim.org/show_bug.cgi?id=2370
Bug ID: 2370
Summary: Restarted DFA match fails unexpectedly
Product: PCRE
Version: 10.31 (PCRE2)
Hardware: x86-64
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Code
Assignee: p...@hermes.cam.ac.uk
Reporter: c...@cemerick.com
CC: pcre-dev@exim.org
This interaction is surprising to me:
$ pcre2test
PCRE2 version 10.31 2018-02-12
re> /(123)+/
data> 123\=dfa,ps
0: 123
data> 1\=dfa,dfa_restart
0:
data> 2\=dfa,dfa_restart
No match
Depending on how you interpret the above, either a partial match is failing
after it is begun, or the original (full, "123") subject match is being
reported a second time after an additional segment is provided.
Am I misunderstanding the usage/flags involved, or the semantics of partial
restarts?
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