Question: 9. Every regular expression specifies a regular language over strings from a finite alphabet E. However, the set of regular expressions, itself, is a language

9. Every regular expression specifies a regular language over strings from

9. Every regular expression specifies a regular language over strings from a finite alphabet E. However, the set of regular expressions, itself, is a language over strings from an expanded alphabet EU {8,0, (,), U, 0,*}. Is the set of regular expressions a regular language? Explain your

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