🐯regex golf answer. https://alf.nu/RegexGolf
| Level | Answer | Length | Forget Number |
|---|---|---|---|
| Warmup | 🙈foo |
3 | |
| Anchors | 🙈k$ |
2 | |
| It never ends | 🙈u\b |
3 | |
| Ranges | 🙈^[a-f]*$ |
8 | |
| Backrefs | 🙈(...).*\1 |
9 | |
| Abba | 🙈^(?!.*(.)(.)\2\1) |
17 | 😿 +2 |
| A man, a plan | 🙈^(.)(.).*\2\1$ |
14 | |
| A man, a plan | 🙈^(.)[^p].*\1$ |
13 |