* @param matcher the matcher
* @return the labels
*/
public String[] getLabels(Matcher matcher) {
if (matcher instanceof AnyOfMatcher) {
AnyOfMatcher cMatcher = (AnyOfMatcher) matcher;
if (!cMatcher.characters.isSubtractive()) {
String[] labels = new String[cMatcher.characters.getChars().length];
for (int i = 0; i < labels.length; i++) {
labels[i] = '\'' + String.valueOf(cMatcher.characters.getChars()[i]) + '\'';
}