re ‧ gard ‧ less /rɪˈɡɑːdləs $ -ɑːr-/ BrE AmE adverb
1 . without being affected or influenced by something
regardless of
The law requires equal treatment for all, regardless of race, religion, or sex.
2 . if you continue doing something regardless, you do it in spite of difficulties or other people telling you not to
carry on/go on regardless British English (=continue what you are doing)
You get a lot of criticism, but you just have to carry on regardless.