[BUG] nginx-unauthorized fails

[Xeroxxx]

Is there an existing issue for this?

• [X] I have searched the existing issues

Current Behavior

Fail2Ban loops within the container when you enable nginx-unauthorzed.

 ['start', 'nginx-unauthorized']]] has failed. Received RegexException("Unable to compile regular expression '.*(?i)plex.*':\nglobal flags not at the start of the expression at position 2")
 2023-05-28 18:49:20,262 FFFF8B868B20 ERROR NOK: ("Unable to compile regular expression '.*(?i)plex.*':\nglobal flags not at the start of the expression at position 2",)

2023-05-28 18:49:20,258 FFFF8CAA4060 ERROR Unable to compile regular expression '.*(?i)plex.*':
global flags not at the start of the expression at position 2

Editing and commenting the string, results in a replacement and loop again.

Workaroud start container and edit nginx-unauthorrized conf.

Expected Behavior

Running and not looping.

Steps To Reproduce

Enable jail for nginx-unauthorized

Environment

No response

CPU architecture

x86-64

Docker creation

docker compose as documentation uses.

Container logs

See above.

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[Dilomos]

I don't think this is related to nginx-unauthorrized default conf but i face similar issue since i've updated to last fail2ban docker image it appear that any regex containing ".(?i)" fail with that same error i have a couple that all trigger the same issue ^ -."(GET|POST|HEAD) (?i)(/autodiscover)."$ ^ -."(GET|POST|HEAD) (?i)(/hnap)*"$ I don't know what has changed in regex parsing but this is an issue

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