Bug ID 757470: Case insensitive flag is ignored on regular expression keywords in simplified Signature editor

Last Modified: Jan 20, 2023

Bug Tracker

Affected Product:  See more info
BIG-IP ASM(all modules)

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,,,,, 13.1.4,, 13.1.5,, 14.0.0,,,,,, 14.0.1,, 14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 14.1.4,,,,,,, 14.1.5,,,, 15.0.0, 15.0.1,,,,

Fixed In:

Opened: Feb 03, 2019
Severity: 4-Minor


The case insensitive flag is not applied on regular expression keywords created using the simplified Signature editor.


The signature keyword is enforced as case sensitive.


A regular expression signature keyword is created and set to be case insensitive.


The regular expression can be specified as case insensitive by prepending with "(?i)".

Fix Information

The case insensitive flag takes effect correctly on regular expression keywords in simplified Signature editor.

Behavior Change