bug#54624: 29.0.50; textsec and ipv6 addresses

[Andreas Schwab]

On Apr 07 2022, Mattias Engdegård wrote:

> Sorry! Here is a more conservative change that only alters a few minor 
> details in your original code, written in the way that you prefer:
>
>   (let* ((ipv4 "\\(?:[0-9]\\{1,3\\}\\.?\\)\\{1,4\\}")
>          (ipv6 (concat "\\(?:[0-9a-f]\\{0,4\\}:\\)\\{1,8\\}[0-9a-f]\\{0,4\\}"
>                        "\\(?::" ipv4 "\\)?")))
>     (string-match-p
>      (concat "\\`\\(?:" ipv4 "\\|" ipv6 "\\|\\[" ipv6 "\\]\\)\\'")
>      domain))

That won't match "::ffff:93.184.216.34".

-- 
Andreas Schwab, schwab@linux-m68k.org
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