ISUPPER 2232 regex.cpp && (ISUPPER (ch) || ISLOWER (ch))) ISUPPER 2277 regex.cpp || (is_upper && ISUPPER (ch)) ISUPPER 2281 regex.cpp && (ISUPPER (ch) || ISLOWER (ch))) ISUPPER 5526 regex.cpp preg->translate[i] = ISUPPER (i) ? tolower (i) : i;