～を問わず (〜wo towazu)

Kono ibento wa, nenrei o towazu, dare demo sanka dekimasu.

This event is open to everyone, regardless of age.

Kono suupaa wa, nichiyoubi o towazu, mainichi aite imasu.

This supermarket is open every day, regardless of Sunday.

Kanojo wa, atsusa samusa o towazu, maiasa sanpo o shite imasu.

She takes a walk every morning, no matter the heat or cold.

Shachou wa, kokuseki o towazu, subete no shain o byoudou ni atsukatte imasu.

The company president treats all employees equally, regardless of nationality.