split ';' REGEX (';' STRING )*

static String	_split	= "${split;<regex>[;<target>...]}";

public String _split(String args[]) throws Exception {
	verifyCommand(args, _split, null, 2, Integer.MAX_VALUE);

	List<String> collected = new ArrayList<String>();
	for (int n = 2; n < args.length; n++) {
		String value = args[n];
		String[] split = value.split(args[1]);
		for (String s : split)
			if (!s.isEmpty())
				collected.add(s);
	}
	return Processor.join(collected);
}