docs: public List<String> findList(String str, String regex) {
  		ArrayList<String> ret = new ArrayList<String>();
  		if (str == null || regex == null)
  			return ret;
  		Matcher m = Pattern.compile(regex).matcher(str);
  		while (m.find()) {
  			ret.add(m.group());
  		}
  		return ret;
  	}