15. (4 points) Write code that uses a regular expression to see if a string could be a variable, class, or method name in the java programming language (can be coded in any language). 16. (4 points) Write code that uses a regular expression to see if a string could be a multiline comment in C++ can be coded in any language).

17. (3 points) Count the number of lexemes in any one of the code files you wrote.