Convert to Raw String changes significant line endings

[sharwell]

Version Used: Version 17.8.0 Preview 3.0 [34127.298.main]

Steps to Reproduce:

var first = @"

";

var second = Regex.Replace(description, "(\r?\n)", "$1$1");

1. Place the caret before @" in the initializer for first
2. Select the Convert to raw string refactoring
3. Select Fix All in Document

Expected Behavior:

var first = """



""";

var second = Regex.Replace(description, "(\r?\n)", "$1$1");

Actual Behavior:

var first = """



""";

var second = Regex.Replace(description, """
(
?
)
""", "$1$1");

[CyrusNajmabadi]

Yup. Not desirable. Will refine.