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gh-140797: Forbid capturing groups in re.Scanner lexicon patterns #140944

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Merged
serhiy-storchaka merged 4 commits into from
Nov 4, 2025
Merged

gh-140797: Forbid capturing groups in re.Scanner lexicon patterns #140944

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29db6ca
This PR references issue gh-140797
Abhi210 Nov 3, 2025
feaee4e
gh-140797 forbid capturing groups in re.Scanner lexicon patterns- Rev-7
Abhi210 Nov 4, 2025
d1d582e
Update Lib/test/test_re.py
Abhi210 Nov 4, 2025
f4f7d4d
Update Lib/test/test_re.py
Abhi210 Nov 4, 2025
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Update Lib/test/test_re.py 
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
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@Abhi210 @serhiy-storchaka
Abhi210 and serhiy-storchaka authored Nov 4, 2025
commit d1d582e4c0d9395efc6aa4faa1bc3560cf4e6163
2 changes: 1 addition & 1 deletion Lib/test/test_re.py
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Expand Up @@ -1640,7 +1640,7 @@ def s_int(scanner, token): return int(token)
'op+', 'bar'], ''))

def test_bug_gh140797(self):
# gh140797: capturing groups is not allowed in re.Scanner
# gh140797: Capturing groups are not allowed in re.Scanner

msg = "Cannot use capturing groups in re.Scanner"
# Capturing group throws an error
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