RECURSION_INFINITE 2740 mbstring/oniguruma/regcomp.c if (ret < 0 || ret == RECURSION_INFINITE) return ret; RECURSION_INFINITE 2757 mbstring/oniguruma/regcomp.c if (ret < 0 || ret == RECURSION_INFINITE) return ret; RECURSION_INFINITE 2792 mbstring/oniguruma/regcomp.c return (head == 0 ? RECURSION_EXIST : RECURSION_INFINITE);