正则验证：Pattern,Matcher

 1     public static void main(String[] args) {
 2         String regex="([a-z]{1})(\\d{2})";
 3         String candidate = "sdsdx99sdsdc99Supr99erJau99va";
 4         Pattern p=Pattern.compile(regex);
 5         Matcher matcher=p.matcher(candidate);
 6         while(matcher.find()){
 7             int n=matcher.groupCount();
 8 //            for(int i=0;i<=n;i++){
 9 //                String str=matcher.group(i);
10 //                System.out.println(str);
11 //            }
12             
13             
14             System.out.println(n);
15         }
16 //        matcher.reset();
17 //        System.out.println(matcher.group());
18 //        
19 //        
20 //        System.out.println(matcher.replaceAll("xulu"));
21         
22     }