While a good article your example of String.Empty is plain wrong but not for the reason you think. Ignoring the correct answer of IsNullOrEmpty as pointed out by others, you should always use if(s == string.Empty), again pointed out by others, as the intention is clearer and less jarring to the programmer reading through it afterwards. Which is who you really code is for. When I see people comparing writing == “” I know they haven’t written code on a big project and certainly haven’t maintained that code 