regexp-escaping list missing “{”

[Serious54088]

https://javascript.info/regexp-escaping

Here’s a full list of them: [ \ ^ $ . | ? * + ( )

It seems to me you forgot the { , which also needs to be escaped outside a class.

Let's say we want to match literally {3} , the regular expression should be var patt = /\{3}/;