(computing) regular expression

(computing) a string (sequence of characters)

an arrangement of elements / a sequence of events, behaviors, facts, etc. / (textiles) a template for pieces of a garment

to use / to employ / to make use of, to apply / to spend

retrieval, searching

to search, to retrieve

regular

regularity

a male given name

expression (by words, facial, attitude) / representation (of art, play, music) / performance (of actor, player, ...)