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GH-123945: Update regex for parsing negative numbers that contain underscores (#123970)

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Co-authored-by: Brandt Bucher <brandtbucher@gmail.com>
Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
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Savannah Ostrowski 2024-09-16 23:30:17 -07:00 • committed by GitHub
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Lib/argparse.py
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@ -1360,7 +1360,7 @@ def __init__(self,
self._defaults = {}
# determines whether an "option" looks like a negative number
self._negative_number_matcher = _re.compile(r'^-\d+$|^-\d*\.\d+$')
self._negative_number_matcher = _re.compile(r'^-\d[\d_]*(\.\d[\d_]*)?$')
# whether or not there are any optionals that look like negative
# numbers -- uses a list so it can be shared and edited