SDT_OP_REGEX2
#define SDT_OP_REGEX2 "^\\[sp(, )?([0-9]+)?\\]$"
#define SDT_OP_REGEX2 "^(\\-)?([0-9]+)\\((%r)?([1-2]?[0-9]|3[0-1])\\)$"
#define SDT_OP_REGEX2 "^(\\-)?([0-9]+)\\((ra|sp|gp|tp|t[0-6]|s[0-9]|s1[01]|a[0-7])\\)$"
#define SDT_OP_REGEX2 "^([+-]?[0-9]+\\(%r([0-9]|1[0-5])\\))$"