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[Bug runtime/15063] New: regular expressions: correct subtleties with ^ and $ anchoring
- From: "smakarov at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Fri, 25 Jan 2013 19:07:27 +0000
- Subject: [Bug runtime/15063] New: regular expressions: correct subtleties with ^ and $ anchoring
- Auto-submitted: auto-generated
http://sourceware.org/bugzilla/show_bug.cgi?id=15063
Bug #: 15063
Summary: regular expressions: correct subtleties with ^ and $
anchoring
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: runtime
AssignedTo: systemtap@sourceware.org
ReportedBy: smakarov@redhat.com
Classification: Unclassified
Follow-on from PR11334: make sure that the anchoring operations ^ and $ behave
'correctly' in odd edge cases such as "$^", "$.*" etc. -- this requires
double-checking against, say, glibc to figure out what the correct behaviour
should be.
There are some oddities specified in the glibc-derived testsuite, e.g. it says
that ^* should fail to compile but (^)* is okay -- it's not clear why they
wanted it to behave like that.
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