This project is an example of TDD. It aims to find count of unique words of a given string. You can find unit tests.
Given a series of 'String' inputs, output the number of unique words seen.
Note:
- words include letters and apostrophes
- capitalization may vary on otherwise identical words
- punctuation of ',' and '.' should be ignored
This is a test.
Has four words.
This is a test and a good test.
Has six unique words.