数据脱敏java代码

//前prefix后suffix脱敏
public static String idEncrypt(String number ,Integer prefix, Integer suffix) {
    if (number == null || "".equals(number) || number.length() < prefix + suffix) return number;
    return number.replaceAll("(?<=\\w{" + prefix + "})\\w(?=\\w{" + suffix + "})", "*");
}