Description

1.   Change graph and code of scanner in a way that identifies decimal numbers in form :

.d+

d+.

d+.d+

2.   Change graph and code of scanner in a way that an id (identifier) can contain underline. (attention: underline at first or end of id is not allowed, sequential underlines are not allowed too.)

3.   Change graph and code of scanner in a way that identifies comment in /**/ form.

4.   Change graph and code of scanner in a way that if “ was needed in string, it comes 2 “ s.

5.   In a programming language, every Id starts with an alphabet. Numbers of characters in an id is maximum 4. Second and 4th character can be digits , but number of digits can not be more than

Alphabets. Draw the graph and change scanner code.