I think Igor is suggesting PERL named captures.

Although, it appears to me the correct syntax would rather be (?<name>...),
as perlre docs <http://perldoc.perl.org/perlre.html#Extended-Patterns>state..
Then, just use you first syntax (omitting the 'set' directives).
---
*B. R.*


On Wed, May 28, 2014 at 12:02 PM, Igor Sysoev <igor@sysoev.ru> wrote:

> On 28 May 2014, at 08:55, Peter Mescalchin <peter.mescalchin@gmail.com>
> wrote:
>
> Thanks Igor,
>
> I had explored that method already, sadly (as you know) "alias" is
> given as an absolute path meaning I can't use this block of config within
> multiple virtual hosts which I include; - would have to re-write this same
> block of config for each Virtual host modifying the alias path prefix.
>
> And since alias man page explicitly states that $document_root can't be
> used it's not possible to complete this config in a reusable way. (e.g.
> alias $document_root/path/to/$1/$2; would be perfect).
>
> Alas, I think what I have (storing the captures in temp vars) is the only
> real solution thus far.
>
> Unless the penny hasn't dropped in my head? :)
>
>
> Then you can set these variable directly in regex:
> location ~ "^/[a-f0-9]{16}/(<?resource_type>css|js)/(<?resource_path>.+)” {
>
>
> --
> Igor Sysoev
> http://nginx.com
>
>
> _______________________________________________
> nginx mailing list
> nginx@nginx.org
> http://mailman.nginx.org/mailman/listinfo/nginx
>
_______________________________________________
nginx mailing list
nginx@nginx.org
http://mailman.nginx.org/mailman/listinfo/nginx