Updated on 2026-09-24 GMT+08:00

Built-in Data Domain and Discovery Rules

To enable a basic "out-of-the-box" deployment, the system includes the following data fields and discovery rules.

It is generally recommended not to modify the built-in data domain or discovery rules.

The detailed information for the built-in data domain and discovery rules is shown in Table 1.

**Table 1** Built-in data domain and discovery rules
Order Number	Data Domain	Discovery Rule	Discovery Method	Remarks
1	Tax Registration Number	Tax Registration Number Detection Rule	Custom Method	Read data from the table using the system's built-in Java method to determine whether the field represents a tax registration number.
2	Uniform Social Credit Code	Uniform Social Credit Code Discovery Rule	regular expression	Use a regular expression to extract the table's field name and determine whether that field represents the Unified Social Credit Code.
3	Social Security Card Number	Social Security Card Number Discovery Rule	regular expression	Use a regular expression to extract data from a table field and determine whether that field represents a social security card number.
4	IP address	IP Address Discovery Rule	Custom Method	Read data from the table using the system's built-in Java method to determine whether a given field is an IP address.
5	name	Name Discovery Rule	Custom Method	Read data from the table using the system's built-in Java method to determine whether a given field represents a name.
6	Mobile Phone Number	Mobile Phone Number Discovery rule	Custom Method	Read data from the table using the system's built-in Java method to determine whether a given field represents a mobile phone number.
6	Mobile Phone Number	Mobile Phone Number Field Discovery Rule	regular expression	Read the field name and use a regular expression to determine whether the field represents a mobile phone number.
7	Age	Age Discovery Rule	regular expression	Read the field name and use a regular expression to determine whether the field represents age.
8	Business License	Business License Discovery Rule	Custom Method	Read data from the table using the system's built-in Java method to determine whether the field represents a business license.
9	Mixed Phone Number	Mixed Phone Number Discovery Rule	Custom Method	The system uses built-in Java methods to read data from the table and determine whether a given field is a mixed phone number (e.g., a combination of a mobile and a landline number).
10	Organization Code	Organization Code Discovery Rule	Custom Method	Read data from the table using the system's built-in Java method to determine whether the field represents an organization code.
11	Chinese Address	Chinese Address Discovery Rule	Custom Method	Read data from the table using the system's built-in Java method to determine whether a given field represents a Chinese address.
11	Chinese Address	Chinese Address Field Discovery Rule	regular expression	Read the field name and use a regular expression to determine whether the field represents a Chinese address.
12	Company Name	Company Name Discovery Rule	Custom Method	Read data from the table using the system's built-in Java method to determine whether the field represents a company name.
13	ID Card Number	ID Card Discovery Rule	Custom Method	Read data from the table using the system's built-in Java method to determine whether the field represents an ID card.
14	Email	Email Discovery Rule	Custom Method	The system uses built-in Java methods to read data from the table and determine whether a given field is an email address.
15	Postal Code	Postal Code Discovery Rule	Custom Method	Read data from the table using the system's built-in Java method to determine whether a given field is a postal code.
16	Bank Card Number	Bank Card Number Discovery Rule	Custom Method	Read data from the table using the system's built-in Java method to determine whether a given field represents a bank card number.
17	Birthday	Birthday Discovery Rule	regular expression	Read the field name and use a regular expression to determine whether the field represents a date of birth.
18	Landline Phone Number	Landline Phone Discovery Rule	Custom Method	Read data from the table using the system's built-in Java method to determine whether a given field represents a landline telephone number.

Parent Topic: Discovery Rule

Built-in Data Domain and Discovery Rules

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