On Tue, Nov 28, 2017 at 2:23 PM, MRAB <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? -- --Guido van Rossum (python.org/~guido)
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