.*

正则表达式测试

测试正则表达式

/ /
Matches:

嵌入此工具

× px
✓

🔥 热门工具

没有更多工具
探索所有工具

ℹ️ 关于 Regex Tester

Test and debug regular expressions in real-time. See matches highlighted, capture groups, and explanations. Essential for developers working with text patterns.

💡 使用场景

Testing regex patterns before coding
Debugging complex expressions
Learning regular expressions
Validating pattern matches
Extracting data from text

📋 使用方法

1

Enter your regex pattern

2

Paste test text below

3

See matches highlighted

4

View capture groups and details

💎 Pro Tips

  • Use flags: g (global), i (case-insensitive), m (multiline)
  • Test with edge cases
  • Start simple and build complexity

❓ Frequently Asked Questions

Regular Expression - a pattern language for matching text.

Check flags, escaping special characters, and pattern logic.

Parentheses () capture part of the match for extraction.