regex-playground
v1.0.0Learn, test, and debug regular expressions with real-time matching, explanations, and common patterns. Perfect for developers learning regex or debugging complex patterns.
Sourced from ClawHub,
Authored by chenxuyaun
Installation
Please help me install the skill `regex-playground` from SkillHub official store.
npx skills add chenxuyaun/regex-playground
Regex Playground
Interactive regular expression learning and testing tool.
Usage
regex "pattern" "test string"
Features
- 🎯 Real-time matching
- 📖 Plain English explanation
- 🔍 Match groups extraction
- 📋 Common patterns library
- 🧪 Test cases generator
Example
Input: regex "(w+)@(w+).(w+)" "[email protected]"
Output:
✓ Match: [email protected]
Group 1: test
Group 2: example
Group 3: com
Explanation:
- (w+) - capture word characters (test)
- @ - literal @
- (w+) - capture word characters (example)
- . - literal dot
- (w+) - capture word characters (com)
Common Patterns
| Pattern | Meaning | Example |
|---|---|---|
d+ |
One or more digits | 123 |
w+ |
Word characters | hello_123 |
[a-z] |
Letter range | a, b, c |
^start |
Starts with | start... |
end$ |
Ends with | ...end |
a|b |
OR | a or b |
a* |
Zero or more a | '', a, aaa |
a+ |
One or more a | a, aaa |
Commands
regex explain <pattern>- Explain pattern in plain Englishregex test <pattern> <string>- Test pattern against stringregex library- Show common patternsregex generate <type>- Generate test cases (email, url, phone, etc.)
Use Cases
- Debug regex in code
- Learn regex by seeing matches
- Validate input patterns
- Extract data from strings