String str = "^(?!I).*?DAO$";
String strt="IFileDAO";
Pattern p=Pattern.compile(str);
Matcher m=p.matcher(strt);
boolean result=m.find();
System.out.println(strt+":"+result);
String strt="IFileDAO";
Pattern p=Pattern.compile(str);
Matcher m=p.matcher(strt);
boolean result=m.find();
System.out.println(strt+":"+result);