正则表达式语法 2

   /**
     * 正则表达式：验证用户名
     */
    public static final String REGEX_USERNAME = "^[a-zA-Z]\\w{5,17}$";
 
    /**
     * 正则表达式：验证密码
     */
    public static final String REGEX_PASSWORD = "^[a-zA-Z0-9]{6,16}$";
 
    /**
     * 正则表达式：验证手机号
     */
    public static final String REGEX_MOBILE = "^1[3,5,8]([0-9]{9})$";
    /**
     * 正则表达式：验证邮箱
     */
    public static final String REGEX_EMAIL = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";
 
    /**
     * 正则表达式：验证汉字
     */
    public static final String REGEX_CHINESE = "^[\u4e00-\u9fa5],{0,}$";
 
    /**
     * 正则表达式：验证身份证
     */
    public static final String REGEX_ID_CARD = "(^\\d{18}$)|(^\\d{15}$)";
 
    /**
     * 正则表达式：验证URL
     */
    public static final String REGEX_URL = "http(s)?://([\\w-]+\\.)+[\\w-]+(/[\\w- ./?%&=]*)?";
 
    /**
     * 正则表达式：验证IP地址
     */
    public static final String REGEX_IP_ADDR = "(25[0-5]|2[0-4]\\d|[0-1]\\d{2}|[1-9]?\\d)";