Question: Design a DFA to recognize valid identifiers, separated by WS, according to the following, or argue why it cannot be done Identifiers must start with

  1. Design a DFA to recognize valid identifiers, separated by WS, according to the following, or argue why it cannot be done
    1. Identifiers must start with letter
    2. Every letter must be followed by at least one digit unless this is the end of the identifier
    3. Every digit can be followed by either letter or digit or nothing (WS)

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