[Octave-bug-tracker] [bug #35910] Incorrect regex matching of multi-byte UTF-8 characters

[Markus Mützel]

Update of bug #35910 (project octave):

                  Status:         Patch Submitted => Ready For Test         

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Follow-up Comment #7:

I ran the test again before applying the patch:

>> tic, for i=1:1e5, string = regexprep('§x', '^(.)', '$1;'); end, toc
Elapsed time is 1.10611 seconds.
>> tic, for i=1:1e5, string = regexprep('§x', '^(.)', '$1;'); end, toc
Elapsed time is 1.09538 seconds.
>> tic, for i=1:1e5, string = regexprep('§x', '^(.)', '$1;'); end, toc
Elapsed time is 1.12862 seconds.


And again with the patch:

>> tic, for i=1:1e5, string = regexprep('§x', '^(.)', '$1;'); end, toc
Elapsed time is 1.1054 seconds.
>> tic, for i=1:1e5, string = regexprep('§x', '^(.)', '$1;'); end, toc
Elapsed time is 1.14079 seconds.
>> tic, for i=1:1e5, string = regexprep('§x', '^(.)', '$1;'); end, toc
Elapsed time is 1.12645 seconds.


Since the performance doesn't seem to be impacted, I went ahead and applied
the patch here:
http://hg.savannah.gnu.org/hgweb/octave/rev/94d490815aa8

Marking as ready for test.

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