How to fix the Oracle error ORA-28078: A regular expression parameter is missing or invalid.?

In this post, you’ll learn more about the Oracle ErrorORA-28078: A regular expression parameter is missing or invalid. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-28078: A regular expression parameter is missing or invalid.

Reason for the Error ORA-28078: A regular expression parameter is missing or invalid.

The FUNCTION_TYPE was DBMS_REDACT.REGEXP, but one or more of the regular expression parameters were missing or invalid, the REGEXP_PATTERN failed to compile properly, or the regular expression replacement operation failed.

How to fix the Error ORA-28078: A regular expression parameter is missing or invalid. ?

You can fix this error in Oracle by following the below steps

Specify the regular expression parameters according to Oracle documentation. At a minimum, the REGEXP_PATTERN and the REGEXP_REPLACE_STRING must be specified. Ensure that the REGEXP_PATTERN can compile properly as a regular expression, for example by testing it with REGEXP_REPLACE in a SQL query against a column containing some of the data to be redacted.