Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Regular expressions yakavamba muna 1951, apo nyanzvi yemasvomhu Stephen Cole Kleene akarondedzera mitauro yenguva dzose achishandisa manyorerwo ake emasvomhu ainzi regular sets. Izvi zvakabuda mune sayenzi yemakombiyuta, muminda ye automata theory (models of computation) uye kurondedzerwa nekugoverwa kwemitauro yepamutemo. Zvimwe zvinoshandiswa zvekutanga zvekufananidza maitiro zvinosanganisira mutauro weSNOBOL, iyo yaisashandisa mazwi akajairika, asi panzvimbo pezvo maitiro ayo anoenderana.  Mubvunzo: Stephen Kleene aiva nebasa rorudzii?
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