This will give us support for hashtags including things like accented characters, Asian characters, Cyrillic characters, etc without having to provide special cases for every single one.

After some research, recognizing these hashtags should be pretty trivial to do, but searching for them may be difficult. I put an updated regex below which should work right away in the Go code and with the XRegExp library for the javascript side.

https://regex101.com/r/yP1nT0/1