regexfieldcleaner.java

来自「mallet是自然语言处理、机器学习领域的一个开源项目。」· Java 代码 · 共 41 行

/* Copyright (C) 2003 Univ. of Massachusetts Amherst, Computer Science Dept.
   This file is part of "MALLET" (MAchine Learning for LanguagE Toolkit).
   http://www.cs.umass.edu/~mccallum/mallet
   This software is provided under the terms of the Common Public License,
   version 1.0, as published by http://www.opensource.org.  For further
   information, see the file `LICENSE' included with this distribution. */
package edu.umass.cs.mallet.base.extract;

import java.util.regex.Pattern;

/**
 * A field cleaner that removes all occurrences of a given regex.
 *
 * Created: Nov 26, 2004
 *
 * @author <A HREF="mailto:[e-mail]>[e-mail]</A>
 * @version $Id: RegexFieldCleaner.java,v 1.1 2004/11/26 05:50:52 casutton Exp $
 */
public class RegexFieldCleaner implements FieldCleaner {

  public static final String REMOVE_PUNCT = "\\p{Punct}+";

  private Pattern badRegex;

  public RegexFieldCleaner (String regex) {
    badRegex = Pattern.compile (regex);
  }

  public RegexFieldCleaner (Pattern regex) {
    badRegex = regex;
  }


  public String cleanFieldValue (String rawFieldValue)
  {
    String cleanString = badRegex.matcher (rawFieldValue).replaceAll ("");
    return cleanString;
  }

}