Jython is a Java implementation in Python that can be used in OpenRefine.

Jython sections in the official OpenRefine User manual:

• Jython
• Jython-supported regex

There used to be such a section that seems to be lost. Instead, see these blogs that use Google's libphonenumber library:

• https://stackabuse.com/validating-and-formatting-phone-numbers-in-python/
• https://www.geeksforgeeks.org/java-program-to-validate-phone-numbers-using-googles-libphonenumber-library/