Category "automata-theory"

Automata - Regular Expression (Union Case)

Automata 1) Recognizes strings with at least 2 a Regular Expression = b*ab*a(a+b)* Automata 2) Recognizes strings with at least 2 b Regular Expression = a*ba*b(

How L={ww^Rx| where w, x belongs to {a,b}^* } is a regular language?

I have understood that L={wxw^r|w,x belongs to {a,b}^* } is regular because it turns out to be the pattern of starting and ending with same symbol but I am not