Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Chiverengero chinotevera chiratidzo (senge hunhu) kana boka chinotsanangura kuti chinhu chakatangira chinobvumidzwa kuitika kangani. Zviratidzo zvinowanzoshandiswa ndezviya zvinoti chiratidzo chemubvunzo?, asterisk * (yakabva paKleene star), uye chiratidzo chekuwedzera + (Kleene plus).WildcardThe wildcard. inowirirana nechero chiratidzo. Somuenzaniso, a.b inowirirana nechero tambo ine "a", ipapo chero mumwe munhu uye ipapo "b", a.*b inowirirana nechero tambo ine "a" uye "b" pane imwe nguva inotevera.  Mubvunzo: Chii chinonzi chiratidzo?
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