Directive "map" not working with regex key and value that like "$1"

[Kindy Lin]

Yep, it's a bug but not a question.
Thanks. 

> On 2014年12月19日, at 00:11, Maxim Dounin <mdounin at mdounin.ru> wrote:
> 
> Hello!
> 
>> On Thu, Dec 18, 2014 at 11:23:51PM +0800, Kindy Lin wrote:
>> 
>> Hi,
>> 
>> I have some configuration like:
>> 
>> map $host $sub {
>>  default  www;
>>  ~^(\w+)\.abc\.com$  $1;
>> }
>> 
>> And it not works.
>> I first find it in 1.1.19 and seems the latest version still have this issue.
> 
> This doesn't looks like a development-related question.  Please 
> use nginx@ mailing list for such questions.  Thank you.
> 
> -- 
> Maxim Dounin
> http://nginx.org/
> 
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