Python highlighting for back-slash in raw string

[OneMoreSecond]

Issue Type: Bug

The back-slash in Python raw string will still be highlighted.

VS Code version: Code 1.39.2 (6ab5985, 2019-10-15T15:35:18.241Z)
OS version: Windows_NT x64 10.0.14393
Remote OS version: Linux x64 4.15.0-1041-azure

System Info

Item	Value
CPUs	Intel(R) Xeon(R) W-2123 CPU @ 3.60GHz (8 x 3600)
GPU Status	2d_canvas: enabled flash_3d: enabled flash_stage3d: enabled flash_stage3d_baseline: enabled gpu_compositing: enabled multiple_raster_threads: enabled_on native_gpu_memory_buffers: disabled_software oop_rasterization: disabled_off protected_video_decode: unavailable_off rasterization: enabled skia_deferred_display_list: disabled_off skia_renderer: disabled_off surface_synchronization: enabled_on video_decode: enabled viz_display_compositor: disabled_off webgl: enabled webgl2: enabled
Load (avg)	undefined
Memory (System)	31.73GB (12.75GB free)
Process Argv
Screen Reader	no
VM	0%

Item	Value
Remote	SSH: GCRAZGDL302
OS	Linux x64 4.15.0-1041-azure
CPUs	Intel(R) Xeon(R) CPU E5-2690 v4 @ 2.60GHz (6 x 2593)
Memory (System)	110.17GB (13.36GB free)
VM	0%

Extensions (17)

Extension	Author (truncated)	Version
code-gnu-global	aus	0.2.2
unique-lines	bib	1.0.0
vscode-markdownlint	Dav	0.31.2
xml	Dot	2.5.0
gc-excelviewer	Gra	2.1.32
kite	kit	0.99.0
vscode-language-pack-zh-hans	MS-	1.39.3
python	ms-	2019.10.44104
remote-ssh	ms-	0.47.2
remote-ssh-edit	ms-	0.47.2
cpptools	ms-	0.26.1
csharp	ms-	1.21.5
powershell	ms-	2019.11.0
team	ms-	1.149.2
python-docs	Muk	0.8.3
vscode-hexdump	sle	1.7.2
tabnine-vscode	Tab	2.1.11

[OneMoreSecond]

At least don't highlight it for something like a Windows path.

[alexr00]

duplicate of MagicStack/MagicPython#155
But that is closed for historical reasons as stated here MagicStack/MagicPython#149
recommendation from that issue is to use R instead of r

[vscodebot]

Thanks for creating this issue! We figured it's covering the same as another one we already have. Thus, we closed this one as a duplicate. You can search for existing issues here. See also our issue reporting guidelines.

Happy Coding!