src/main/java/de/ids_mannheim/korap/collection/RegexFilter.java

package de.ids_mannheim.korap.collection;

import java.util.*;

import org.apache.lucene.search.RegexpQuery;
import org.apache.lucene.index.Term;

/**
 * @author Nils Diewald
 * 
 *         RegexFilter implements a helper object for
 *         regular expressions used in KorapFilter
 *         constraints.
 */

public class RegexFilter {
    String regex;


    public RegexFilter (String regex) {
        this.regex = regex;
    };


    public RegexpQuery toQuery (String field) {
        return new RegexpQuery(new Term(field, this.regex));
    };
};