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  • Integers:  0, 1, 100
  • Floats:  0.5, 12.2, 3.14159 (.)
  • Negative:  -1003, -12.2

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  • Thousands with/without separator: 1000000, 1,000,000 (,)
  • Numbers with commas:  1,314,100.3Numbers with scientific notationscientific 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??

Does NOT currently recognize:

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

Operates On:  Lexical Items with TOKEN

Configuration Parameters

    • skipFlags (string array, optional) - Flags to be skipped by this stage
      • Tokens marked with this flags will be ignore by this stage, and no process will be performed.
  • requiredFlags 
    • requiredFlags (string array, optional)
      • Tokens need to have all the specified flags, in order to be processed
  • debug
    • debug (boolean, optional)
      • Enable all debug log functionality of the stage, if any.
    • scientificNotation (boolean, optional)
      • Enable recognition of scientific notation.
    • ordinals (boolean, optional)
      • Enable ordinals numbers recognition.
    • romans (boolean, optional)
      • Enable romans number recognition.
    • ordinalsLang (string, optional)
      • Choose ordinals language. Currently supported english: "en"


Code Block
languagejs
themeEclipse
titleExample Configuration
{
    "type": "NumberRecognizer",
    "scientificNotation": false,
    "ordinals": true,
	"romans": false,
	"ordinalsLang" = "en"
}

Flags

Lex-Item Flags:

  • NUMBER - Flagged on all tokens which are numbers according to the rules above.

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