Class | Description |
---|---|
ICUFoldingFilter |
A TokenFilter that applies search term folding to Unicode text,
applying foldings from UTR#30 Character Foldings.
|
ICUNormalizer2Filter |
Normalize token text with ICU's
Normalizer2
With this filter, you can normalize text in the following ways:
NFKC Normalization, Case Folding, and removing Ignorables (the default)
Using a standard Normalization mode (NFC, NFD, NFKC, NFKD)
Based on rules from a custom normalization mapping. |
ICUTransformFilter |
A
TokenFilter that transforms text with ICU. |