を問わず

regardless of

→ を
phrase Rare #33,708
regardless of A formal expression meaning that something applies without regard to a particular condition or category. It follows a noun, such as 年齢を問わず (regardless of age) or 昼夜を問わず (day and night, regardless of the time).
JA: 経験を問わず、誰でも応募できます。
EN: Anyone can apply, regardless of experience.

年齢を問わず人々はこの歌が好きだ

People of all ages like this song.

それはでも男女を問わず愛読されている本です

It’s a book that is still widely read by people of all genders.