| Category | Name | Difficulty | Points | Problem | Solution |
|---|---|---|---|---|---|
| Applications | Alien Username | Easy | 10 | Problem | Solution |
| Applications | Easy | 10 | Problem | Solution | |
| Applications | Easy | 10 | Problem | Solution | |
| Applications | Easy | 10 | Problem | Solution | |
| Applications | Easy | 10 | Problem | Solution | |
| Applications | Easy | 10 | Problem | Solution | |
| Applications | Easy | 10 | Problem | Solution | |
| Applications | Easy | 10 | Problem | Solution | |
| Applications | Easy | 10 | Problem | Solution | |
| Applications | Easy | 10 | Problem | Solution | |
| Assertions | Negative Lookahead | Easy | 20 | Problem | Solution |
| Assertions | Negative Lookbehind | Easy | 20 | Problem | Solution |
| Assertions | Positive Lookahead | Easy | 20 | Problem | Solution |
| Assertions | Positive Lookbehind | Easy | 20 | Problem | Solution |
| Backreferences | Backreferences To Failed Groups | Easy | 20 | Problem | Solution |
| Backreferences | Branch Reset Groups | Easy | 20 | Problem | Solution |
| Backreferences | Forward References | Easy | 20 | Problem | Solution |
| Backreferences | Matching Same Text Again & Again | Easy | 20 | Problem | Solution |
| Character Class | Excluding Specific Characters | Easy | 20 | Problem | Solution |
| Character Class | Matching Character Ranges | Easy | 20 | Problem | Solution |
| Character Class | Matching Specific Characters | Easy | 20 | Problem | Solution |
| Grouping and Capturing | Alternative Matching | Easy | 20 | Problem | Solution |
| Grouping and Capturing | Capturing & Non-Capturing Groups | Easy | 20 | Problem | Solution |
| Grouping and Capturing | Matching Word Boundaries | Easy | 20 | Problem | Solution |
| Introduction | Matching Anything But a Newline | Easy | 5 | Problem | Solution |
| Introduction | Matching Digits & Non-Digit Characters | Easy | 5 | Problem | Solution |
| Introduction | Matching Specific String | Easy | 5 | Problem | Solution |
| Introduction | Matching Start & End | Easy | 5 | Problem | Solution |
| Introduction | Matching Whitespace & Non-Whitespace Character | Easy | 5 | Problem | Solution |
| Introduction | Matching Word & Non-Word Character | Easy | 5 | Problem | Solution |
| Repetitions | Matching {x, y} Repetitions | Easy | 20 | Problem | Solution |
| Repetitions | Matching {x} Repetitions | Easy | 20 | Problem | Solution |
| Repetitions | Matching Ending Items | Easy | 20 | Problem | Solution |
| Repetitions | Matching One Or More Repetitions | Easy | 20 | Problem | Solution |
| Repetitions | Matching Zero Or More Repetitions | Easy | 20 | Problem | Solution |
Regex
Folders and files
| Name | Name | Last commit date | ||
|---|---|---|---|---|
parent directory.. | ||||