Is it possible to show warning in stylelint if already used class being used again?

Question

In stylelint or with any other tool is it possible if a developer is writing a class name in CSS file, for example, .somethingRed {} he gets a message that this class name has been already used if the similar class name has been used already in the project ?

Answer 1

This is achievable in stylelint using the no-duplicate-selectors rule.