The regular expression (regex) tester for NGINX and NGINX Plus takes the guesswork out of regexes, telling you whether a regex for a location or map block matches values as you intend. It builds the relevant configuration for you and shows the values for capture groups.
![](https://www.nginx-cn.net/wp-content/uploads/2024/05/nginx-cn.net_弹窗图_-_560x666-1.png)