# Regular Expression for a Set of Strings of Even Length

Can the language for the set of even strings be represented by

L={ε,aa,ab,ba,bb.....}


Isnt Epsilon Odd?

• $\varepsilon$ represents the empty string so it has length $0$ which is even. – John Douma Nov 23 '15 at 6:50
• @JohnDouma Okay.Got it now,can you add that as an answer please. – techno Nov 23 '15 at 6:54
• I appreciate that. Thank you. – John Douma Nov 23 '15 at 6:56