Regex Playground

---

name: regex-playground

description: Learn, test, and debug regular expressions with real-time matching, explanations, and common patterns. Perfect for developers learning regex or debugging complex patterns.

metadata:

{

"openclaw":

{

"requires": { "bins": [] },

"install": [],

},

}

---

# Regex Playground

Interactive regular expression learning and testing tool.

Usage

regex "pattern" "test string"

Features

Example

Input: regex "(\w+)@(\w+)\.(\w+)" "test@example.com"

Output:
✓ Match: test@example.com
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

Use Cases