match “//” comments with regex but not inside a quote

Question

I need to match and replace some comments. for example:

$test = \"the url is http://www.google.com\";// comment \"<-- that quote needs to be matched
         


        

Answer 1

In complement of @Thai answer which I found very good, I would like to add a bit more:

In this example using original regex only the last character of quotes will be matched: https://regex101.com/r/CoxFvJ/2

So I modified a bit to allow capture of full quotes content and give a more talkative and generic example of content: https://regex101.com/r/CoxFvJ/3

So final regex:

/"((?:\\"|[^"])*)"|'((?:\\'|[^'])*)'|(\/\/.*|\/\*[\s\S]*?\*\/)/g

Big thanks to Thai for unlocking me.