CharSequenceNormalizer (Apache OpenNLP Tools 1.9.5 API)
Date: 2026-06-18

opennlp.tools.util.normalizer

## Interface CharSequenceNormalizer

- All Superinterfaces:
    Serializable
  All Known Implementing Classes:
    AggregateCharSequenceNormalizer, EmojiCharSequenceNormalizer, NumberCharSequenceNormalizer, ShrinkCharSequenceNormalizer, TwitterCharSequenceNormalizer, UrlCharSequenceNormalizer

      public interface CharSequenceNormalizer
      extends Serializable

  A char sequence normalizer, used to adjusting (prune, substitute, add, etc.) characters in order to remove noise from text
  See Also:
    Text normalization

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `CharSequence` | `normalize(CharSequence text)` normalize a sequence of characters

- - ### Method Detail

    - #### normalize

          CharSequence normalize(CharSequence text)

      normalize a sequence of characters
      Parameters:
        `text` - the char sequence to normalize
      Returns:
        the normalized char sequence

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