java 日志脱敏处理

 1     public static void main(String[] args) throws Exception {
 2         Pattern pattern = Pattern.compile("[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}");
 3         String text = "\"Joe 1\"55656kkk;[email protected]&56 <[email protected]>[email protected] Hello [email protected] is an e-mail...";
 4         Matcher matcher = pattern.matcher(text);
 5         StringBuilder strBuilder = new StringBuilder(text);
 6         while (matcher.find()) {
 7             String subStr = matcher.group().replaceFirst(";", "");
 8             int subStrIndex = strBuilder.indexOf(subStr);
 9             // 计算@字符位置
10             int keyWordIndex = subStr.indexOf("@");
11             int asyKeyWordIndex = subStrIndex + keyWordIndex;
12             int leftIndex = asyKeyWordIndex - 3;
13             int rightIndex = asyKeyWordIndex + 4;
14             strBuilder.replace(leftIndex, asyKeyWordIndex, "***");
15             strBuilder.replace(asyKeyWordIndex + 1, rightIndex, "***");
16         }
17         System.out.println(strBuilder);
18     }