[issue46692] match case does not support regex

[Eric V. Smith]

Eric V. Smith <eric at trueblade.com> added the comment:

Good catch, @xtreak. I think something like the discussed (but not implemented) custom matching protocol would be required here. __match_args__ won't work, because it's a special attribute only checked on classes, not instances.

Of course, I'm still not sure this is what the original poster is requesting!

But assuming so, this would require a PEP, and should be discussed with the PEP 634 authors.

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