System.out.println(sb1.toString());
System.out.println("one cat two cats in the yard".replaceAll("cat", "dog"));
System.out.println(clause.replaceAll("<#(.*)/>", "[#$1/]"));
String test = "aaa \nbbaad\n";
Replacer replacer = new Replacer("( +?)\\n", "\n");
System.out.print(test);
System.out.print(replacer.process(test));
}