Delimiters 
Operators , =:= ==!= < <= > >= @= @== @!= @< @<= @> @>= + - * / += -= *= /= @+= @-= @*= @/= .. & &=?;: |
Braces ()[]{}
BlockComment /* */ --/* --*/
LineComment --
TokenStart abcedfghijklmnopqrstuvwxyz
TokenStart ABCDEFGHIJKLMNOPQRSTUVWXYZ_
TokenChar 0123456789
Escapes \rnt\'"eE