hi everyone , i want to edit , delete and update classes in css with c# . what shall i do?

get practice with string manipulation and regular expressions, you're going to need them a lot. You will need to open the css file as a stream, locate the id or class you want to edit or delete and make the changes to the stream or locate the place where you want to insert the new css code.
It is definitely possible but I'm guessing it will be reasonably complex.

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