If you're concerned enough about it to wipe the machine, and you don't already have an online repository for your code somewhere like Github, then I'd suggest getting a live boot CD/USB for a Linux distribution of your choice and use that to copy the files off to external storage or cloud storage. I don't know of any way other than manually inspecting your ...
Depends on how through you want to be. In all scenarios, Isolate the infected pc, no internet, no lan, Bluetooth, no nothing.
Give a human a pc and copy the code using his eyes into a new solution on a safe pc. That will take a ton of time, but reviewing the code is the best way to ONLY take the code, no problem of a bing/exe/whatevers ...
Upload the files to pastebin, let pastebin convert to plain text
Open the pastebin file from your clean machine Copy from the
browser, paste to a new file
Use your non-personal Gmail, share a folder such that anyone can edit
upload your code (but not your boilerplate) to the folder
Or email it to gmail either way, ...