Career
Regan was a forward with a reputation as a hard-playing, head-on tackler. Regan began his rugby league career playing for Cessnock under coach Garry Johns. Although playing on the losing side, Regan"s efforts in that match gained the attention of the Balmain Tigers in the New South Wales Rugby League competition, the premier competition of the time.
Regan was offered a contract with Eastern Suburbs for the following season.
In his two seasons at Easts, Regan was sent from the field on three occasions for tackling infringements. Regan played in the last twenty minutes of the grand-final, a game lost to Manly-Warringah 18–8, In 1986 Terry took up Boxing losing on points over 3 rounds to Steve Marott.
Regan previously coached Hillston in the Group 17 competition. He now trains race-horses on the New South Wales Central Coast.