Java tutorial
import java.util.regex.Pattern; public class MainClass { public static void main(String args[]) { String statement = "a b c d e f g h i j k l"; String splitPattern = "e|c|a|a|(a b d e)|(b c e)"; Pattern p = Pattern.compile(splitPattern); String[] tokens = p.split(statement); for (int i = 0; i < tokens.length; i++) { System.out.println(tokens[i]); } } }