- '(?:/[\pN\pL$\[\]\,\!\(\)\.\:\-\_\+\/\=\&\;\%\~\*\$\+\'\"]*)?'. // /path
- '(?:\?[\pN\pL\$\[\]\,\!\(\)\.\:\-\_\+\/\=\&\;\%\~\*\$\+\'\"\/]*)?'. // ?query string
- '(?:\#[\pN\pL$\[\]\,\!\(\)\.\:\-\_\+\/\=\&\;\%\~\*\$\+\'\"\/\?\#]*)?'. // #fragment
+ '(?:/[\pN\pL$\[\]\,\!\(\)\.\:\-\_\+\/\=\&\;\%\~\*\$\+\'\"@]*)?'. // /path
+ '(?:\?[\pN\pL\$\[\]\,\!\(\)\.\:\-\_\+\/\=\&\;\%\~\*\$\+\'\"@\/]*)?'. // ?query string
+ '(?:\#[\pN\pL$\[\]\,\!\(\)\.\:\-\_\+\/\=\&\;\%\~\*\$\+\'\"\@/\?\#]*)?'. // #fragment