Matthew Barnett added the comment:
The re module works with codepoints, it doesn't understand canonical
equivalence.
For example, it doesn't recognise that "\N{LATIN CAPITAL LETTER E}\N{COMBINING
ACUTE ACCENT}" is equivalent to "\N{LATIN CAPITAL LETTER E WITH ACUTE}".
This is true for Python in general, except for identifiers, which are
normalised:
>>> "\N{LATIN CAPITAL LETTER E}\N{COMBINING ACUTE ACCENT}"
'É'
>>> É = 0
>>> "\N{LATIN CAPITAL LETTER E WITH ACUTE}"
'É'
>>> É
0
This also means that, say '.' will match only 1 _codepoint_.
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nosy: +mrabarnett
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue31193>
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