DataWeave 2.0 Backslash escaping

Question

How can you get a single backslash in DataWeave 2.0?

%dw 2.0
output application/json
---
{
  "attempt1": "\String",
  "attempt2": "\\String"
}

Returns:

{
  "attempt1": "\\String",
  "attempt2": "\\String"
}

Answer 1

Looks like your output is a json and in json the \ always need to be escaped inside a string. That is why you are always going to see two \