java 验证邮件是否合法

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/xiaofanren1111/article/details/81489850

1. public boolean checkEmail(String checkMail){

2. Boolean flag = false;

3. //if (null==checkMail || "".equals(checkMail)) return false;

4. // Pattern p = Pattern.compile("\\w+@(\\w+.)+[a-z]{2,3}"); //简单匹配

5. Pattern p = Pattern.compile("\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*");//复杂匹配

6. Matcher m = p.matcher(checkMail);

7. Boolean b=m.matches();

8. if(b) {  
9.             System.out.println("有效邮件地址");  
10.             flag=true;  
11.         } else {  
12.             System.out.println("无效邮件地址");  
13.         }  

14. return flag;

15.