效绵鼎 Kleene Star If L is a language,then L*,the Kleene star or just “star,”is the set of strings formed by concatenating zero or more strings from L,in any order. ■ L*=LOLLOLLLO... Example:{0,10}*={e,0,10,00,010,100, 1010,..} .55 Kleene Star ◼ If L is a language, then L*, the Kleene star or just “star,” is the set of strings formed by concatenating zero or more strings from L, in any order. ◼ L* = {ε}  L  LL  LLL  … ◼ Example: {0,10}* = {ε, 0, 10, 00, 010, 100, 1010,…}