How to create a charactor from slash and other char not in alphabe like the image?

[vanvibig]

Hello everyone,

Some day ago, I watched a sublime video in youtube, I saw tutor use Command Palette to convert a character and a word in to a mix of slash and some charactor not in alphabe. And I forgot, My question is
the ways to do this ?

likely this:

Thanks very much!

[OdatNurd]

Was it something like Figlet Big ASCII Text or ASCII Decorator?

[vanvibig]

Thanks you!