src/org/nutz/lang/util/CronSequenceGenerator.java
private String replaceOrdinals(String value, String commaSeparatedList) {
		String[] list = Strings.splitIgnoreBlank(commaSeparatedList);
		for (int i = 0; i < list.length; i++) {
			String item = list[i].toUpperCase();
			value = value.toUpperCase().replaceAll(item, "" + i);
		}
		return value;
	}
private String replaceOrdinals(String value, String commaSeparatedList) {
		String[] list = Strings.splitIgnoreBlank(commaSeparatedList);
		for (int i = 0; i < list.length; i++) {
			String item = list[i].toUpperCase();
			value = value.toUpperCase().replaceAll(item, "" + i);
		}
		return value;
	}
Replace the values in the comma-separated list (case insensitive)
with their index in the list.
@return a new String with the values from the list replaced