Simple Rewrite Question

[Chris Sturgill]

On Fri, Feb 06, 2009 at 02:53:25PM -0500, Chris Sturgill wrote:
>   
>> I promise I've paid due diligence trying to solve this one through 
>> Google, but just can't come up with the solution (I've probably 
>> overlooked something very simple).
>>
>> In Apache, I can forward a captured variable from a RewriteCond check 
>> like this:
>> RewriteCond %{QUERY_STRING} tag=(.*)
>> RewriteRule ^fastsearch(.*) /tags/%1? [L,R=301]
>>
>> but I can't seem to find the nginx equivalent as the following doesn't work:
>> if ($query_string ~ "tag=(.*)") {
>>    rewrite ^/fastsearch.* /tags/%1? permanent;
>> }
>>
>> My server admin is requiring that we run the stable version (0.6.35) so 
>> I can't use the $arg_PARAMETER introduced in 0.7.*.
>>
>> What am I missing?
>>     
>
>  if ($query_string ~ "tag=(.*)") {
>     set  $tag  $1;
>     rewrite ^/fastsearch.* /tags/$tag? permanent;
>  }
>
>   
Thank you much!  I had tried putting $1 directly into the rewrite 
without setting a separate variable, but got yelled at for not having a 
matching term in the left-hand side of the rewrite equation.  This 
simple answer just solved several days of frustration!
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