mmmdbybyd

Results 2 issues of mmmdbybyd

修复Stash无法获取订阅

app/Http/Controllers/Client/Protocols/Stash.php缺少isRegex()函数，导致获取配置文件时出错 ![image](https://user-images.githubusercontent.com/18487473/191698643-9cf0b0ff-88d3-4b63-9035-23ac3fd48c24.png)

fix bug

![1](https://user-images.githubusercontent.com/18487473/142769820-dd21949c-5753-4fbb-a737-d19cb40c1535.png) ![2](https://user-images.githubusercontent.com/18487473/142769813-6ccdaacd-5e51-43c1-8051-cc08d6e8b141.png) ![3](https://user-images.githubusercontent.com/18487473/142769815-57d637cc-6b30-43c8-bf56-979c004d2ee1.png)