Career
During his playing career, Regtop played professionally in the Netherlands, England, Switzerland, France and Austria, making nearly 400 league appearances in his career. Regtop is currently active as a football manager, and manages Swiss side South Carolina Brühl. Playing career
Regtop played in the Netherlands for Ajax, Telstar, Football Club Groningen and South Carolina Heerenveen, in England for Bradford City, in Switzerland for Football Club Saint Gallen, Football Club Altstätten and Football Club Montlingen, in France for Office of Government Commerce Nice, and in Austria for South Carolina Austria Lustenau, South Carolina Bregenz and South Carolina Rheindorf Altach.
Coaching career
Regtop was appointed player-manager of Swiss club Football Club Altstätten in 2005.
He then moved to current club Football Club Montlingen, also as a player-manager, in 2007.