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---
name: regex-tester
description: 测试和调试正则表达式，支持匹配高亮、捕获组和常用模式库。
metadata:
short-description: 测试正则表达式
source:
repository: https://github.com/python/cpython
license: PSF
---
# Regex Tester Tool
## Description
Test and debug regular expressions with match highlighting, capture group extraction, and a library of common patterns.
## Trigger
- `/regex` command
- User needs to test regex
- User wants pattern matching help
## Usage
```bash
# Test pattern
python scripts/regex_tester.py "\\d+" "abc123def456"
# Show capture groups
python scripts/regex_tester.py "(\\w+)@(\\w+)" "user@domain" --groups
# Find all matches
python scripts/regex_tester.py "\\b\\w{4}\\b" "The quick brown fox" --all
# Use common pattern
python scripts/regex_tester.py --pattern email "Contact: test@example.com"
```
## Tags
`regex`, `pattern`, `match`, `test`, `text`
## Compatibility
- Codex: ✅
- Claude Code: ✅
