docs: public Pattern getPattern(String name, Pattern defaultValue) {
  		String valString = get(name);
  		if (null == valString || valString.isEmpty()) {
  			return defaultValue;
  		}
  		try {
  			return Pattern.compile(valString);
  		} catch (PatternSyntaxException pse) {
  			LOG.warn("Regular expression '" + valString + "' for property '" +
  					name + "' not valid. Using default", pse);
  			return defaultValue;
  		}
  	}