In lexical analysis, what does pattern recognition primarily refer to?

2025

Answer: A. Detecting sequences of characters and classifying them into tokens — In lexical analysis, pattern recognition primarily refers to detecting character sequences and classifying them into tokens.

1. A.

   Detecting sequences of characters and classifying them into tokens

2. B.

   Organising syntax tree elements in memory

3. C.

   Converting source code directly into machine-level instructions

4. D.

   Applying grammar rules to parse the program

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