[GitHub] [apisix] xyz2b opened a new issue #2330: request help: Apisix host configuration of route can not be '*' ?

[GitBox]

xyz2b opened a new issue #2330:
URL: https://github.com/apache/apisix/issues/2330


   ### Issue description
   Apisix host configuration of route can not be '*' ?
   
   
![image](https://user-images.githubusercontent.com/48942966/94358181-bdf44800-00d1-11eb-8bd2-29866307ee1b.png)
   
   I test radixtree can support '*' configuration of host. In the apisix soure 
code, I find host configuration restrictions. I want to understand why such a 
restriction in host.
   `local host_def_pat = "^\\*?[0-9a-zA-Z-.]+$|^\\*$"`
   
   ### Environment
   
   * apisix version (cmd: `apisix version`):1.5
   * OS:Centos7.x
   


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