Does pigeonhole regex extension support PCRE?

[Stephan Bosch]

On 9/13/2014 2:08 PM, Lev Serebryakov wrote:
>
>  I've tried to use negative look-ahead in :regex match like this:
>
> if header :regex "List-Id" "<svn-([^-]+)-(?!all)([^.]+)\.freebsd\.org>"
> { ... }
>
> and manage-sieve server complains on save about such regex with
> diagnostic "repetition operator operand invalid" :(
>


https://tools.ietf.org/html/draft-murchison-sieve-regex-08#section-3

Regards,

Stephan.