- causing error

[pokeball99]

((b-df-hj-np-tv-xz)|q(?=u))|((B-DF-hj-NP-TV-XZ)|Q(?=U))
When doing any of the coverters, the error "Error: Unknown type of -" shows up on the right side

[hokein]

Currently automata.js only supports 0-9,a-z, and_ characters.(https://github.com/hokein/Automata.js/blob/master/src/lexer.js#L17). It makes sense to support more character.