new CategorialRule()
Categorial Rule abstracts a single matching rule
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Members
(static) count :number
Number of items this transform is used
Type:
- number
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(static) expression :string
string or string format of regexp to match data against. To use a regular expression, start and end the string with a slash, '/'. Options can be appedended, notably 'i' for case insensitive matching. The first captured group can be used in the group, see below. Examples
- 'hello' matches 'hello', not 'hello world'
- '/hello/' matches 'hello world', but not 'Hello world'
- '/hello/i' matches 'I say Hello'
Type:
- string
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(static) group :string
Name of the group this is mapped to. The special substring $1 is replaced by the first captured group, in example 4 above, with group set to 'He says $1', the match results in 'He says goodbye'
Type:
- string
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Methods
(static) match(text) → {string|false}
Match function
Parameters:
| Name | Type | Description |
|---|---|---|
text |
string | The text to match |
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Returns:
group The group label if matching, else false
- Type
- string | false