Question: 1. Write a context-free grammar for regular expressions, over the vocabulary ={a,b}. The operators, their arities, precedence, and their associativities are as follows: Operator(s)

1. Write a context-free grammar for regular expressions, over the vocabulary ={a,b}.

1. Write a context-free grammar for regular expressions, over the vocabulary ={a,b}. The operators, their arities, precedence, and their associativities are as follows: Operator(s) Arity Precedence Associativity Binary, infix Lowest Left (concatenate, empty) list Binary, infix Right Binary, infix Left *, +, ? ()'s Unary, postfix Left Unary, embedded Highest None

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