McqMate

Q. |
## Which of the following is not a regular expression? |

A. | [(a+b)*-(aa+bb)]* |

B. | [(0+1)-(0b+a1)*(a+b)]* |

C. | (01+11+10)* |

D. | (1+2+0)*(1+2)* |

Answer» B. [(0+1)-(0b+a1)*(a+b)]* |

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