is_in            4971 ext/mbstring/oniguruma/regparse.c     int is_in = onig_is_code_in_cc(env->enc, from, cc);
is_in            4973 ext/mbstring/oniguruma/regparse.c     if ((is_in != 0 && !IS_NCCLASS_NOT(cc)) ||
is_in            4974 ext/mbstring/oniguruma/regparse.c 	(is_in == 0 &&  IS_NCCLASS_NOT(cc))) {
is_in            4983 ext/mbstring/oniguruma/regparse.c     if (is_in != 0) {