Statement introduced in Junos OS Release 9.2.
To detect intrusion attempts, you can enable regular expression by issuing the no-ignore-regular-expression command. By default, the no-ignore-regular-expression command is enabled. If you specify the ignore-regular-expression command, regular expression pattern matching will be disabled when detecting intrusion attempts.
Regular expression is enabled by default.
Required Privilege Level
security—To view this statement in the configuration.
security-control—To add this statement to the configuration.