Can Regex Accelerator be Used in Separated Host Mode?

I changed my BlueField-2 DPU from Embedded CPU Function Ownership Mode to Separated Host Mode. In Separated Host Mode, I cannot find /sys/class/net/p0/smart_nic/pf/regex_en, which is needed for enabling Regex Accelerator. (According to

In this case, does it mean that we cannot use Regex Accelerator in Separated Host Mode?

Thanks in advance!