Excerpt |
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Identifies tokens which look like numbers and flags them with the "NUMBER" flag. |
Operates On: Lexical Items with TOKEN
Info |
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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??
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Note |
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Does NOT currently recognize: - Computer literals: 0xBEA1, 07832
- European numbers with commas and periods swapped
- Positive: +102.3
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Include Page |
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| Generic Configuration Parameters |
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| Generic Configuration Parameters |
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Configuration Parameters
- 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 |
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language | js |
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theme | Eclipse |
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title | Example Configuration |
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{
"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.
Vertex Flags:
None.
Example
Code Block |
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language | text |
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theme | FadeToGrey |
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V----------[1984 42 -10 3.14 ]-----------V
^--[1984]--V--[42]--V--[-10]--V--[3.14]--^
Item [1984] - [NUMBER,TOKEN]
Item [42] - [NUMBER,TOKEN]
Item [-10] - [NUMBER,TOKEN]
Item [3.14] - [NUMBER,TOKEN] |