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Excerpt

Identifies tokens which look like numbers and flags them with the "NUMBER" flag.

Operates On:  Lexical Items with TOKEN

Info

Currently handles the following situations:

  • Integers:  0, 1, 100
  • Floats:  0.5, 12.2, 3.14159 (.)
  • Negative:  -1003, -12.2
  • Thousands with/without separator: 1000000, 1,000,000 (,)
  • Numbers with scientific notation: 1,1x10^-8, 1.1x10??, 1,1x10^8, -1.1x10??
  • Romans numbers: MMC, XII, IV
  • English ordinals numbers: 1st, 12th, 23rd
  • Exponents: 4?, 4^9, 4^-9, 4??
Note

Does NOT currently recognize:

  • Computer literals:  0xBEA1, 07832
  • European numbers with commas and periods swapped
  • Positive:  +102.3

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Include Page
Generic Configuration Parameters
Generic Configuration Parameters

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