1. stimulants hurt your workout
2. sugar hurts your workout
3. artificials are awful for your health
there is zero upside to using energy drinks. people are so addicted to them that they feel like they need them just to function. don't fall into that trap
If you're looking for sugar free, zero calorie energy drinks theres a lot of companies that make them. Monster, bang, rockstar, etc..
Nothing wrong with artificial sweeteners or stimulants for that matter unless you are taking them all day long or something. One serving before a workout wont hurt you whatsoever. Not one bit
However for the price I'd just go with a tub of preworkout if that's what you're after. Energy drinks are pretty expensive per serving.