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Fix isalpha/isalnum and regex \w to use Unicode General Category instead of Alphabetic derived property #7520

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Fix isalpha/isalnum and regex \w to use Unicode General Category instead of Alphabetic derived property #7520

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2722bc0
Initial plan
Copilot Mar 27, 2026
5dd88ee
Fix isalnum/isalpha to use Unicode general category checks; fix regex…
Copilot Mar 27, 2026
fab1c0c
Fix import ordering: move import re to be sorted with import unicodedata
Copilot Mar 27, 2026
b9cbd51
Fix isalpha/isalnum fallback for chars unassigned in Unicode 10; add …
Copilot Mar 29, 2026
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Fix import ordering: move import re to be sorted with import unicodedata 
Agent-Logs-Url: https://github.com/RustPython/RustPython/sessions/18cc7216-15cf-40d1-8726-23e21aa4c368

Co-authored-by: youknowone <69878+youknowone@users.noreply.github.com>
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Copilot and youknowone committed Mar 27, 2026
commit fab1c0cc01724cf9bc8eb3f508e7cf130bb3d878
3 changes: 1 addition & 2 deletions extra_tests/snippets/builtin_str_unicode.py
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Expand Up @@ -11,6 +11,7 @@

assert c == "👋👋👋"

import re
import unicodedata

assert unicodedata.category("a") == "Ll"
Expand Down Expand Up @@ -44,6 +45,4 @@
# not the broader Unicode Alphabetic derived property.
assert not "\u0345".isalpha(), "isalpha should not match Mn category characters"
assert not "\u0345".isalnum(), "isalnum should not match Mn category characters"

import re
assert not re.match(r"\w", "\u0345"), r"\w should not match U+0345 (category Mn)"
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