Fix: anon-connection-wizard validation logic for WebTunnel bridges (regex/parsing error)

[arraybolt3]

@Jimmy67

Running into a UX blocker on Whonix 17.x

Whonix 17 is end-of-life on all platforms except Qubes R4.2. See:

Whonix 17 End of Security Support and Deprecation Notice - All users should move to Whonix 18 as soon as possible!

As per Whonix Support Schedule, this post serves as the Whonix version 17 deprecation notice. Whonix 18 stable has been released for all platforms. Whonix 18.0.8.7 Released! Major Release Upgrade! Qubes-Whonix 18 Released! Major Release Upgrade! Whonix 17 will be deprecated on 06 February 2026. All users should upgrade! The more time that passes after the deprecation date, the harder or even impossible it might become to perform an in-place release upgrade. Platform specific notice: No…

Does the issue occur on Whonix 18?

@Jimmy67

Let me know if you want me to open a formal Merge Request for this over on the GitLab instance, or if you prefer to just cherry-pick the logic straight from here.

We use GitHub (Whonix · GitHub), not GitLab. A pull request on GitHub would be welcome though.

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