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isnumeric-isdigit-isdecimal.py
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isnumeric-isdigit-isdecimal.py
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#!/usr/bin/env python3
# https://docs.python.org/3/library/stdtypes.html#str.isdecimal
# isnumeric: Numeric_Type = Digit, Decimal or Numeric e.g. U+2155, VULGAR FRACTION ONE FIFTH.
# isdigit: Numeric_Type = Digit or Decimal e.g. Kharosthi numbers.
# isdecimal: Unicode General Category “Nd” e.g. U+0660, ARABIC-INDIC DIGIT ZERO
# http://unicodefractions.com/
# "Nd" - http://www.fileformat.info/info/unicode/category/index.htm
# http://www.fileformat.info/info/unicode/category/Nd/list.htm
# http://www.fileformat.info/info/unicode/category/Nd/list.htm
# http://www.fileformat.info/info/unicode/category/Nl/list.htm
# http://www.fileformat.info/info/unicode/category/No/list.htm
examples = [
'\u00bd\u2153\u2155', # VULGAR FRACTION 1/2, 1/3, 1/5
'\u0660', # ARABIC-INDIC DIGIT ZERO
'\u2169\u2162', # Roman X III,
'\u00B2', # SUPERSCRIPT TWO
'\u0F2A', # TIBETAN DIGIT HALF ONE
'\u3007', # IDEOGRAPHIC NUMBER ZERO
]
for txt in examples:
print('---', txt, '---')
print('Numeric:', str.isnumeric(txt))
print(' Digit:', str.isdigit(txt))
print('Decimal:', str.isdecimal(txt))