Question: When implementing a compiler for a programming language, regular expression is used to specify A . Token name B . Token pattern C . Identifier

When implementing a compiler for a programming language, regular expression is used to specify
A. Token name
B. Token pattern
C. Identifier
D. Context free grammarWhen implementing a compiler for a programming language, regular expression is used to specify
A. Token name
B. Token pattern
C. Identifier
D. Context free grammar
When implementing a compiler for a programming

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