arranged in or constituting a constant or definite pattern, especially with the same space between individual instances

plant the flags at regular intervals

a regular arrangement

recurring at uniform intervals

a regular monthly check

her breathing became more regular

conforming to or governed by an accepted standard of procedure or convention

policies carried on by his ministers through regular channels

a regular job

used, done, or happening on a habitual basis; usual

I couldn't get an appointment with my regular barber

the bar became one of his regular haunts

(of a word) following the normal pattern of inflection

a regular verb

(of a figure) having all sides and all angles equal

a regular polygon

a regular customer, member of a team, etc.

pub regulars

the absence of four first-team regulars