常用正则表达式（持续更新）

邮箱正则表达式

public static boolean validateEmail(String email){  
        if (null==email || "".equals(email)){
         return false; 
        }
        String regEx1 = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$"; 
        Pattern p = Pattern.compile(regEx1);
        Matcher m = p.matcher(email);
        if(m.matches()){
         return true;
        }else{
         return false;
        }
    }
    public static void main(String[] args) {
  String email = "1388932@qq。cn";
  System.out.println(validateEmail(email));
 }

转载于:https://my.oschina.net/mui/blog/3093104