Possible bugs in new regex engine involving \@> and \?
Using the following line of text...
0123456789
...run the following two :substitute commands with both old and new regex
engine, and notice the differences...
s/\(01\)\(23\)\@>\(.*\)/--\1--\2--\3/
Old (\%=1)
--01--23--456789
New (\%=2)
----23--456789
s/\(01\)\(23\d\@=\)\?\(.*\)/--\1--\2--\3/
Old (\%=1)
--01--23--456789
New (\%=2)
--01----23456789
Note: The \d\@= in the second example could be replaced with other matching
zero-width assertions (e.g., \%v) without changing the results.
Brett S.
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