He was one of Canada"s top news reporters in the 1950s and 1960s. He was at the forefront of the mid-20th century news war between the Toronto Telegram and the Toronto Star. In 1977, he left the Star to join the staff of the Toronto Sun, where he specialized in investigative pieces on the Royal Canadian Mounted Police.
In 1981, he left the Sun and became a spokesperson for the Ontario Ministry of the Environment.
After his retirement, he became a successful freelance writer, writing mainly for outdoors magazines. In 2001, he was nominated for a Canadian National Magazine Award for an article in Outdoor Canada magazine.
Reguly contracted heart disease in his last years. He died at his Toronto residence on 24 February 2011.