How to Write REGEXP_LIKE FUNCTION in ORACLE BI EE Database

Summary:

How to Write REGEXP_LIKE FUNCTION in ORACLE BI EE Database.

The Below part is having an issue. Please help me how to write regular expression in Oracle BI EE

ON ((AB.PERSON_ID = ASSIGNMENT.PERSON_ID)
AND (AB.PERSON_NUMBER = ASSIGNMENT.PERSON_NUMBER)
AND (NOT REGEXP_LIKE(AB.VALUE,ASSIGNMENT.CC_CODE))
)

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