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- #
- # numerics.py
- #
- # Examples of parsing real and integers using various grouping and
- # decimal point characters, varying by locale.
- #
- # Copyright 2016, Paul McGuire
- #
- # Format samples from https://docs.oracle.com/cd/E19455-01/806-0169/overview-9/index.html
- #
- tests = """\
- # Canadian (English and French)
- 4 294 967 295,000
- # Danish
- 4 294 967 295,000
- # Finnish
- 4 294 967 295,000
- # French
- 4 294 967 295,000
- # German
- 4 294 967 295,000
- # Italian
- 4.294.967.295,000
- # Norwegian
- 4.294.967.295,000
- # Spanish
- 4.294.967.295,000
- # Swedish
- 4 294 967 295,000
- # GB-English
- 4,294,967,295.000
- # US-English
- 4,294,967,295.000
- # Thai
- 4,294,967,295.000
- """
- from pyparsing import Regex
- comma_decimal = Regex(r'\d{1,2}(([ .])\d\d\d(\2\d\d\d)*)?,\d*')
- comma_decimal.setParseAction(lambda t: float(t[0].replace(' ','').replace('.','').replace(',','.')))
- dot_decimal = Regex(r'\d{1,2}(([ ,])\d\d\d(\2\d\d\d)*)?\.\d*')
- dot_decimal.setParseAction(lambda t: float(t[0].replace(' ','').replace(',','')))
- decimal = comma_decimal ^ dot_decimal
- decimal.runTests(tests, parseAll=True)
- grouped_integer = Regex(r'\d{1,2}(([ .,])\d\d\d(\2\d\d\d)*)?')
- grouped_integer.setParseAction(lambda t: int(t[0].replace(' ','').replace(',','').replace('.','')))
- grouped_integer.runTests(tests, parseAll=False)
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