- Add assert for 555-5555, expecting false - Add assert for 5555555, expecting false - Change RegEx solution to make area code mandatory - Simplify RegEx matching - Add test case to catch random, invalid chars
- Add assert for 555-5555, expecting false - Add assert for 5555555, expecting false - Change RegEx solution to make area code mandatory - Simplify RegEx matching - Add test case to catch random, invalid chars