> Von: Martin Maechler [mailto:maech...@stat.math.ethz.ch] > Gesendet: Mittwoch, 5. April 2017 11:15 > > >>>>> <dietmar.schind...@manroland-web.com> > >>>>> on Tue, 4 Apr 2017 08:45:30 +0000 writes: > > > Dear Sirs, > > while > > >> regexpr('(.{1,2})\\1', 'foo') > > [1] 2 > > attr(,"match.length") > > [1] 2 > > attr(,"useBytes") > > [1] TRUE > > > yields the correct match, an incremented upper bound in > > >> regexpr('(.{1,3})\\1', 'foo') > > [1] -1 > > attr(,"match.length") > > [1] -1 > > attr(,"useBytes") > > [1] TRUE > > > incorrectly yields no match. > > Hmm, yes, I would also say that this is incorrect > (though I'm always cautious: The ?regex help page explicitly > mentions greedy repetitions, and these can "bite you" ..) > > The behavior is also different from the perl=TRUE one which is > correct (according to the above understanding). > > ...
Shouldn't this be submitted on R's Bugzilla then (which I as a non-member can't)? -- Best regards, Dietmar Schindler ________________________________ manroland web systems GmbH -- Managing Director: Alexander Wassermann Registered Office: Augsburg -- Trade Register: AG Augsburg -- HRB-No.: 26816 -- VAT: DE281389840 Confidentiality note: This eMail and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you are not the intended recipient, you are hereby notified that any use or dissemination of this communication is strictly prohibited. If you have received this eMail in error, then please delete this eMail. ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
