One former Arsenal star has now admitted that he regrets leaving the north London club when he did. Jack Wilshere feels that be brought the curtain down on his playing career at Arsenal too early. The 32-year-old is now back at Arsenal, as he is now the manager of the club’s under-18s side in the Hale End academy system. The former midfielder is a product of the Gunners’ academy himself. Wilshere was pushed hard in the academy by then-coach and Arsenal icon Liam Brady. As a player, he burst onto the scene at first-team level when he was still just 16-years-old. In the early days of his career,…