验证随心记

1.邮箱

 

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