Android 隐藏手机号中间四位和隐藏邮箱地址中间四位

/**
 * 手机号用****号隐藏中间数字
 *
 * @param phone
 * @return
 */
public static String settingphone(String phone) {
    String phone_s = phone.replaceAll("(\\d{3})\\d{4}(\\d{4})", "$1****$2");
    return phone_s;
}


/**
 * 邮箱用****号隐藏前面的字母
 *
 * @return
 */
public static String settingemail(String email) {
    String emails = email.replaceAll("(\\w?)(\\w+)(\\w)(@\\w+\\.[a-z]+(\\.[a-z]+)?)", "$1****$3$4");
    return emails;
}

原文：http://www.cnblogs.com/lenkevin/p/6673499.html