Who hasnt eaten something they regret? Maybe it was an overpriced meal, fast food or something that was just plain bad.Well, Subway wants to hear all about it.The sandwich chain has launched a Lunchtime Horrors promotion, just i n time for Halloween.RELATED STORY | McDonald's bringing back Monopoly game with cash, cars and vacationsGo to lunchtimehorrors.com and enter your information for a chance to win one of thousands of $15 Subway gift cards.The promotion runs through Friday."We make sandwiches, not time machines. But we can give people something to look forward to at their next lunch," said Jeff Klein, chief marketing officer for Subway. "RELATED STORY | Wendys keeps Biggie Deals as it closes hundreds of underperforming stores ...read more read less