java郵件識別(可通用)

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class reconized {

/**
* @param args
*/
//需要切分的字串
private static String str = "123abc郵件:306749027@qq.comyou";
private static String s = "306749027@qq.com";
private static String result;
public static void main(String[] args) {
// TODO Auto-generated method stub
result = qie(str);
if(reco(result)){
System.out.println("這是一個符合郵件格式的字串");
System.out.println(result);
}
}
//字串切分方法
private static String qie(String s){
int i = s.indexOf(":");
int ii = s.indexOf("com");
String ss = s.substring(i+1, ii);
return ss+"com";
}
//切分字串格式判斷方法
private static boolean reco(String s){
Pattern p = Pattern.compile("^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\\.([a-zA-Z0-9_-])+)+$");
Matcher matcher = p.matcher(s);
return matcher.matches();
}
}