RE_DUP_MAX        241 _regex.h       #ifdef RE_DUP_MAX
RE_DUP_MAX       2549 regex.cpp                          if (upper_bound < 0) upper_bound = RE_DUP_MAX;
RE_DUP_MAX       2555 regex.cpp                      if (lower_bound < 0 || upper_bound > RE_DUP_MAX