How to fix the Oracle error ORA-12722: regular expression internal error?

In this post, you’ll learn more about the Oracle ErrorORA-12722: regular expression internal error with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12722: regular expression internal error

Reason for the Error ORA-12722: regular expression internal error

A regular expression internal error occurred.

How to fix the Error ORA-12722: regular expression internal error ?

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

This is an internal error. Contact Oracle Support Services.

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