Fix alpha_dash (#130)
Fix alpha_dash (#130)

Fix from https://github.com/laravel/laravel/commit/7ff917aa203b2f0869761c99283d18b6a2eb6cf8#diff-9c04f727a922ad4f105b9ad764ec221d
ogioncz/flarum-ext-czech,FlarumChina/flarum-ext-simplified-chinese-pro,flarum/english,ogioncz/flarum-ext-czech,flarum/flarum-ext-english,FlarumChina/flarum-ext-simplified-chinese-pro