Regeer (Haarlem, August 18, 2003) joined FC Twente in the summer of 2023, after being part of Ajax's youth academy since 2017. He made his debut for Ajax's first team on December 15, 2021, in the Dutch Cup match Ajax – BVV Barendrecht (4-0). Before his move to Enschede, the Netherlands U21 international played eight matches for Ajax's first team, scoring once. For Jong Ajax, Regeer played an impressive 91 official matches and was one of the captains of Jong Ajax.
Technical Director Alex Kroes said: "Since leaving Amsterdam, Youri has gained significant experience at FC Twente, making great progress and developing into a mature player. He knows the club and understands what is expected of him at Ajax. He is ready to contribute immediately for multiple positions, and given his age, he is a player we can enjoy for many years to come. In short, we have great confidence in a bright future together with him."