Uses Java regexes to emit multiple tokens - one for each capture group in one or more patterns. This token filter is implemented using Apache Lucene.
The name of the token filter. It must only contain letters, digits, spaces, dashes or underscores, can only start and end with alphanumeric characters, and is limited to 128 characters.
A list of patterns to match against each token.
A value indicating whether to return the original token even if one of the patterns matches. Default is true. Default value: true.
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