# Package opennlp.tools.util.normalizer

- Interface Summary
  Interface | Description
  --- | ---
  CharSequenceNormalizer | A char sequence normalizer, used to adjusting (prune, substitute, add, etc.) characters in order to remove noise from text

- Class Summary
  Class | Description
  --- | ---
  AggregateCharSequenceNormalizer |
  EmojiCharSequenceNormalizer | Normalizer for emojis.
  NumberCharSequenceNormalizer | Normalizer for numbers
  ShrinkCharSequenceNormalizer | Normalizer to shrink repeated spaces / chars
  TwitterCharSequenceNormalizer | Normalizer for Twitter character sequences
  UrlCharSequenceNormalizer | Normalizer that removes URls and email addresses.

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