PostgreSQL SQLSTATE
PostgreSQL SQLSTATE 2201B — invalid_regular_expression
In PostgreSQL SQLSTATE, code 2201B is invalid_regular_expression. The official source describes it as “invalid regular expression”. Its concrete cause depends on the operation and surrounding message.
Code2201B
Symbolinvalid_regular_expression
Source confidencehigh
Official definition
invalid regular expression
In plain language
In PostgreSQL SQLSTATE, code 2201B is invalid_regular_expression. The official source describes it as “invalid regular expression”. Its concrete cause depends on the operation and surrounding message.
Context to inspect
- The surrounding operation, version and subsystem determine the actual cause.
- The same numeric value can mean something different in another namespace.
Safe first checks
- Confirm which product, protocol or subsystem produced the code.
- Read the full surrounding error message and inspect relevant logs.
- Compare the code with the linked authoritative documentation before changing configuration.
Important context
The surrounding operation, version and subsystem determine the actual cause.