Examples of RegexTagger

edu.washington.cs.knowitall.sequence.RegexTagger

A class for tagging a sequence using a {@link LayeredTokenPattern} pattern.The tagger is defined by a pattern and a tag. Given a {@link LayeredSequence}object, the {@link #tag(LayeredSequence)} method will return a list ofstrings, where each string is either the tag, or the {@link #OUT_TAG} symbol.

For example, given the sequence "she sells sea shells by the shore", the tag symbol "X" and a regular expression that matches the words starting with s, the tagger will return the list [X, X, X, X, O, O, X].
@author afader

Examples of edu.washington.cs.knowitall.sequence.RegexTagger

    return results;
  }
  
  public List<String> extract(String patternStr, String test) throws SequenceException {
    LayeredTokenPattern pattern = new LayeredTokenPattern(patternStr);
    RegexTagger tagger = new RegexTagger(pattern, "R");
    List<String> testList = listize(test);
    SimpleLayeredSequence seq = new SimpleLayeredSequence(testList.size());
    seq.addLayer("w", testList);
    return tagger.tag(seq);
  }

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