验证随心记

1.邮箱

 

1. boolean isExist = false; 
2.         Pattern p = Pattern.compile("\\w+@(\\w+\\.)+[a-z]{2,3}");  
3.         Matcher m = p.matcher(email);  
4.         boolean b = m.matches();  

boolean isExist = false;         Pattern p = Pattern.compile("^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$");  

        Matcher m = p.matcher(email);          boolean b = m.matches();