On 2017-11-28 22:27, Guido van Rossum wrote:
On Tue, Nov 28, 2017 at 2:23 PM, MRAB <pyt...@mrabarnett.plus.com
<mailto:pyt...@mrabarnett.plus.com>> wrote:
On 2017-11-28 20:04, Serhiy Storchaka wrote:
The two largest problems in the re module are splitting on
zero-width
patterns and complete and correct support of the Unicode
standard. These
problems are solved in regex. regex has many other features,
but they
are less important.
I want to tell the problem of splitting on zero-width patterns. It
already was discussed on Python-Dev 13 years ago [3] and maybe
later.
See also issues: [4], [5], [6], [7], [8].
[snip]
After some thought, I've decided that if this happens in the re
module in Python 3.7, then, for the sake of compatibility (and
because the edge cases are debatable anyway), I'll have the regex
module do the same when used on Python 3.7.
Maybe it should also be selectable with a version flag?
Well, when anyone who uses re updates to Python 3.7, they'll be faced
with the change anyway.
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