1 mat!(t01, r".*abcd", r"abcd", Some((0, 4))); 2 mat!(t02, r".*(?:abcd)+", r"abcd", Some((0, 4))); 3 mat!(t03, r".*(?:abcd)+", r"abcdabcd", Some((0, 8))); 4 mat!(t04, r".*(?:abcd)+", r"abcdxabcd", Some((0, 9))); 5 mat!(t05, r".*x(?:abcd)+", r"abcdxabcd", Some((0, 9))); 6 mat!(t06, r"[^abcd]*x(?:abcd)+", r"abcdxabcd", Some((4, 9))); 7