Figure 8.2b has two if statement conditions that contain what are called regular expressio...

Figure 8.2b has two if statement conditions that contain what are called regular expressions. As indicated these are explained in the Java API Pattern class. This exercise is intended to help you get a better feeling for Java’s regular expressions and their usage. Use your Java API documentation on the Pattern class to get the answers to these questions:

a) What is the meaning of the regular expression, "[A-Z][a-z]*", which appears in Figure 8.2b?

b) What is the regular expression for a character string starting with a ‘Z’ and containing any number of additional characters of any kind except for a space or a tab?

c) What is the regular expression for a string that represents a U.S. long-distance telephone number (three digits, a dash or space, three digits, a dash or space, and four digits)?