let replace (str:string) =
    str.Replace("{0}", "\"\"\"")
let code = replace """
// comment
// more comment

[<assembly: System.AssemblyVersionAttribute("1.0.0.0")>]
[<TestAttr; TestAttr2(Test.Version)>]
module Test

/* multiline comment
   here */

let a = 5
let fib n =
    let fib' n a b =
        match n with
        | 0 -> a
        | _ -> fib' (n - 1) b (a + b)

    fib' n

let longStr = {0}this
is a test{0}
"""