Use regular expressions to validate, separate, and extract common data formats.

* [ ] Blank slate
  * [ ] Create a GitHub repo called `express-yourself`
  * [ ] Copy all the files from this repo into it
  * [ ] Set up your requirements/virtual environment
* [ ] Normal mode
  * [ ] Pass all the prewritten tests up to `HARD MODE BEGINS` in each test file
* [ ] Hard mode
  * [ ] Pass the rest of the tests
* [ ] Nightmare mode
  * [ ] Add validators, separators, and extractors with tests for:
    * [ ] URLs
    * [ ] Times
    * [ ] ISO 8601
    * [ ] Palindromes

After completing this assignment, you should be able to:

• Write simple regular expressions
• Recognize correct Python project layout

• A Git repo called consumer-complaints containing at least:
  • README.md file explaining how to run your project
  • a requirements.txt file
  • a Python package called "textminer"

• No PEP8 or Pyflakes warnings or errors

Pass all the prewritten tests up to the HARD MODE BEGINS line in each test file.

In addition to the requirements from Normal Mode:

• Complete the rest of the tests.

In addition to the requirements from Hard Mode:

Add validators, separators, and extractors with tests for:

• URLs
• Times
• ISO 8601
• Palindromes

• RegexOne
• Pythex