Java正则表达式

try{Pattern pattern = Pattern.compile("(([0-9]+)+.([0-9]+))|([0-9]+)");String s = "12312dfasesesd22.233";Matcher matcher = pattern.matcher(s);System.out.println("aaa");while (matcher.find()){System.out.println(matcher.group());}} catch(Exception e){e.printStackTrace();}