wildcard to rewritre multi domains to www

[Cliff Wells]

On Sun, 2009-09-06 at 22:23 +0300, Marcus Clyne wrote:
> Hi,
> 
> Cliff Wells wrote:
> > On Sat, 2009-09-05 at 23:53 +0300, Marcus Clyne wrote:
> >   
> >> Hi,
> >>
> >> Cliff Wells wrote:
> >>     
> >>> Try this:
> >>>
> >>> server {
> >>>     server_name ~(^.+\..+$);
> >>>     set         $name $1;
> >>>     rewrite     ^ http://www.$name$request_uri? permanent;
> >>> }
> >>>
> >>>   
> >>>       
> >> That will cause problems if the domain begins with www.  If you want to 
> >> capture both www.domain.tld and domain.tld and rewrite to include the 
> >> www., you could use
> >>     
> >
> > That's odd, as I tested it and it worked fine ;-)   It specifically does
> > not match domains starting with any subdomain, 

> I think if you look at your regex again, you'll see that it's not that 
> it doesn't match any domains with sub domains, it matches any domains 
> with a dot somewhere in the middle.  The \. guarantees that there's a 
> dot, but the other characters can be anything.

Ah, so instead of .+ it'd need to be [^.]+ as in:

server_name ~(^[^.]+\.[^.]+$);

Cliff

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