ONIGERR_INVALID_COMBINATION_OF_OPTIONS 5326 ext/mbstring/oniguruma/regcomp.c return ONIGERR_INVALID_COMBINATION_OF_OPTIONS; ONIGERR_INVALID_COMBINATION_OF_OPTIONS 173 ext/mbstring/oniguruma/regerror.c case ONIGERR_INVALID_COMBINATION_OF_OPTIONS: