Finite automata for all strings with at least one a Finite automata for all strings with at least one a Related Posts:Finite automata for at least one a and at least one bRegular expression for at least one a and at least one bFinite automata for all strings with at least two aFinite Automata for All strings containing exactly one aRegular expression for all strings with at least one aFinite automata FA for the language of all those strings starting with a and ending with a in theory of automata