| 1. | What are metacharacters used for? |
| 2. | What is a character class? |
| 3. | What is meant by a "greedy" metacharacter? |
| 4. | What is an anchoring metacharacter? |
| 5. | How do you search for a literal period? |
| 6. | What is capturing? Can you turn it off? |
| 7. | What is grouping? |
| 8. | How does a character class differ from alternation? |
| 9. | How do you search for one or more digits? |
| 10. | How do you search for zero or one digit? |
| 11. | What is a metasymbol? |
| 12. | What is the purpose of the "squeeze" option when used with tr? |
| 13. | What is utf8? |
