[Python-ideas] Add regex pattern literal p""

[MRAB]

On 2018-12-27 11:48, Ma Lin wrote:
[snip]
> 2, We can't use regex module as a drop-in replacement: import regex as re
> IMHO, I would like to see regex module be adopted into stdlib after
> cutting off its "full case-folding" and "fuzzy matching" features.
> 
I think that omitting full casefolding would be a bad idea; after all, 
strings (in Python 3) have a .casefold method.