正则工具箱
正则表达式测试、模板库与匹配详情一站式工具箱
Free to useOpen and use right awayDev Tools
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Common Templates
Type a pattern and test text - a highlighted preview and match list appear here live
About this tool
Regex Toolkit is a free online regular expression workbench. Test patterns against sample text in real time, inspect capture groups and preview replacement results before using them in code. Built-in templates cover common cases like phone numbers, email addresses and ID numbers, and everything runs locally in your browser.
Frequently asked questions
Does it include ready-made patterns?
Yes, built-in templates cover phone numbers, emails, ID numbers and other common validation cases.
Can I see groups and replacement results?
Yes, matches update in real time and you can inspect capture groups and the replacement output.
Is my text uploaded?
No. Testing runs locally in your browser.