银行卡信息脱敏

• 脱敏方法日志中包含银行卡或者信用卡信息，可采用正则表达式，运用parse-regexp和replace 函数隐藏关键数据而脱敏。
• 原始日志

  content: bank number is 491648411333978312 and credit card number is 4916484113339780

• DSL编排规则

  * | parse-regexp content, '[\w\s]+([1-9]{12})(\d{6})[\s\w]+([1-9]{12})(\d{4})' as content1,content2,content3,content4 | extend bank_number=replace(content,content1,'****')| project-away content1,content2,content3,content4

• 加工结果

  content: bank number is 491648411333978312 and credit card number is 4916484113339780
  bank_number: bank number is ****978312 and credit card number is ***9780