If you have any Custom Sensitive Data Types that you want to create based on a specific pattern (such as another country’s driver’s license), you can use the regular expression feature to scan your data store. Any platform user with a platform role that includes the permission to create Custom Sensitive Data Types can create regular expression Custom Sensitive Data Types.

1. Navigate to Classification > Sensitive Data Types
2. Either:
   1. Click the Create Sensitive Data Type button to add a new Sensitive Data Type
   2. Click the Edit (pencil) icon on any table row to edit an existing Custom Sensitive Data Type
3. Select relevant Data Type Category, or create a new one.
4. Optionally, add a description and any relevant data tags.
5. Under Match Conditions, you can apply specific conditions for matching keywords and/or content to dictate the classification of this sensitive data type. Adding these improve the accuracy of detecting sensitive data.
   1. Select matches regular expression in the dropdown next to Keywords to match against a regular expression. Input your regex in the righthand field and validate its syntax with the test your regex link.
   2. Select matches exact words in the dropdown next to Keywords to match against specific words. Add words likely to appear with the Custom Sensitive Data Type (eg. password, SSN).
   3. Select matches regular expression in the dropdown next to Content to match content against a regular expression. Input your regex in the righthand field and validate its syntax with the test your regex link.
   4. Click the Save button.