Test regular expressions against text in real time. Shows all matches, groups, and positions.
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支持文档、图片、音频、视频和文本文件
隐私: 此工具完全在您的浏览器中运行。数据不会发送到我们的服务器。我们不存储、分享或访问您在此处理的任何信息。
The quick brown fox jumps over the lazy dog
A: JavaScript (ECMAScript) regex syntax.
A: g (global), i (case-insensitive), m (multiline), s (dotAll).
A: Yes, all capture groups are listed for each match.
Encode special characters to HTML entities and decode HTML entities back to plain text. Essential for web developers.
URL encode (percent-encode) or decode strings for safe web transmission.
Extract all email addresses from any text or document.
Beautify, minify, validate, and fix JSON with syntax highlighting.
Convert JSON to Go struct definitions with tags and options.
Convert JSON to TypeScript interfaces or types.
Convert between JSON and YAML formats with preserved structure.
Convert CSV files to JSON and JSON to CSV with custom delimiters.
Format and beautify SQL queries with syntax highlighting.
Privacy: This tool runs entirely in your browser. No data is sent to our servers.