What kind of HR writes scripts to check for weird URLs in people's links
They're orders of magnitude more likely to bin your application for a thousand arbitrary reasons than to have specifically implemented something that weird
You shouldn't live your life around things that will likely never happen
> You are about to log in to the site “i-dont-have-linkedin.com” with the username “linkedin.com”, but the web site does not require authentication. This may be an attempt to trick you.
> Is “i-dont-have-linkedin.com” the site you want to visit?
If those sites are even more clever than a regex, they might bin your application for this.