alinaghale88

@WikiRik I have added a new invalid test case and made further changes to ensure that the regular expression complies with all the valid and invalid test cases. Please review...

> Just fyi; > > This is the basis of the validator: https://gist.github.com/hagemann/382adfc57adbd5af078dc93feef01fe1 > > In my opinion any changes to `isSlug` should still conform to that gist. > >...

@Zhuochengyu I have raised a [pull request](https://github.com/validatorjs/validator.js/pull/2385) for the bug reported if you would like to review.