flarum beta11支持@艾特中文用户名教程
文件路径/vendor/flarum/mentions/src/ConfigureMentions.php
替换a-z0-9_-为-_a-zA-Z0-9\x7f-\xff一共替换两处
演示地址：https://www.sescse.com/d/2064-flarum-beta11-zhi-chi-ai-te-zhong-wen-yong-hu-ming-jiao-cheng
来源：CSDN
作者：Leanla
链接：https://blog.csdn.net/qq_39163054/article/details/103459840