Escaping Multi-line String Literal broken

[RedCMD]

let threeDoubleQuotationMarks = """
Escaping the first quotation mark \"""
"""

actual:

expected:

caused by:

swift-tmlanguage/Swift.tmLanguage.yaml

Line 2397 in 3fca2fa

match: \S((?!\\\().)*(?=""")

possible fix:
\S((?!\\[("]).)*(?=""")

reported at:

• Semantic highlighting does not distinguish escaped characters in string literals swiftlang/sourcekit-lsp#2472 (comment)