Question: Consider the following regular expressions ( we omit the dot operator ) R 0 = A | B | C | D | E |

Consider the following regular expressions(we omit the dot operator)
R0= A|B|C|D|E|F|G
R1= A|B|C|D|E|F|G|H
R2=(C|D)*(A|B) R0
R3= FFR1(H|C)*
R4= R2* EBA R3*

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