On 09/09/2023 22:33, Sławomir Dworaczek via Exim-users wrote:
> Unfortunately, any attempts to use regular expressions that attempt to retrieve the number before the digit result in an error
>
>
> $h_X-Spam-Potential:{{^(\\d+).*\$}{\$1}} is above 16
That's written to be ambiguous, even with the questionable
dounbled backslash (compare with your original):
more-than-one digit (grabbed) followed by any number of anything,
then end-of-line.
I'd suggest going for at-least-one digit followed by an explicit dot.
--
Cheers,
Jeremy
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