@Jonathan-Russell
what can be styled or not is defined by the lexer, which means you
cannot add some random tokens to an existing lexer configuration.
In order to be able to treat your forwardslashes you must either
write your own lexer
write your own user defined language (menu language->define your language…) or
use a scripting language like PythonScript to tweak the builtin lexers or UDLs.
Each of them have their pro and cons and which one fits your requirements depends on your knowledge about programming
and the will for implementation.