There are two sources on YouTube giving different answers for the same expression.I am confused.
Is the given expressions
wxwr | w,x $\in$(0,1)+ I think this is regular because this can be reduced to ending with 00 or 01 or 10 or 11
wwrx | w,x $\in$(0,1)+ I think this is regular because it can reduced to starting with 0 or 1