You can do many of them shorter. Pretty much all of them above length 19 can be substituted with something like 94: "^".charCodeAt() EDIT: sorry, I'm wron

You can do many of them shorter. Pretty much all of them above length 19 can be substituted with something like 94: "^".charCodeAt() EDIT: sorry, I'm wrong, I didn't realize you don't allow letters.