String in = "<person> Sue Smith "+
                    "<age> 32 </age> "+
                    "<sex> female </sex> "+
                    "</person> "+
                    "<person> John "+
                    "<child> "+
                    "<name>Jim</name> "+
                    "<age> 2</age> "+
                    "</child> "+
                    "<age> 45 </age> "+
                    "<sex> female </sex> "+
                    "</person>";
        Pattern personPattern = Pattern.compile("<person>(.+?)</person>",Pattern.CASE_INSENSITIVE);
        Pattern namePattern = Pattern.compile("<person>(.+?)<",Pattern.CASE_INSENSITIVE);
        Pattern agePattern = Pattern.compile("<age>(.+?)<",Pattern.CASE_INSENSITIVE);
        Matcher personMatcher = personPattern.matcher(in);
        while (personMatcher.find()){
            System.out.println("person match:");
            Matcher nameMatcher = namePattern.matcher(personMatcher.group(0));
            while (nameMatcher.find()){
                System.out.println("Name: "+nameMatcher.group(1));
            }
            Matcher ageMatcher = agePattern.matcher(personMatcher.group(0));
            while (ageMatcher.find()){
                System.out.println("Age: "+ageMatcher.group(1));
            }
        }