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Due Date Homework should be ready to turn-in, on Tuesday in class on the last week of the Semester. (You can also submit over email) Regular Expressions 1. Create a regular expression that accepts a single B, then 1 to infinite A's or C's. It must end with a D. 2. Create a regular expression that accepts a Java-style Identifier. Identifiers are used for the names of classes, variables, and more. Make sure to define your sets and use them in your expression. 3. The COBOL Programming Language has fallen out of favor, but, for a long time, it was the language used for business applications. COBOL has a very interesting identifier format. COBOL identifiers must start with a letter and then can be followed by a series of letters, numbers or dashes (minus sign). There is one restriction: dashes cannot appear next to each other. Create a regular expression for COBOL identifiers. Here are some examples: Aliens, First-Name, Tax-Amount, Average-Test-Score Finite Automata 4. Draw a Finite Automata for Question #1 above 5. Draw a Finite Automata for Question #2 above 6. Draw a Finite Automata for Question #3 above