Regex Tester
Test a regular expression against your own sample text. Matches are highlighted live, with per-match details as you type.
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如何使用Regex Tester
- 1
Type your regular expression and set any flags you need.
- 2
Paste sample text to test it against.
- 3
Matches are highlighted live as you type.
Regex Tester 功能特点
- Highlights all matches directly in your sample text.
- Supports standard JavaScript regex flags (g, i, m, s, u).
- Shows a clear error message for invalid patterns instead of failing silently.
为什么选择 Tool King？
快速
无需等待或注册。大多数文件几秒钟内即可完成。
隐私保护
文件在内存中处理，处理完成后立即删除 — 绝不存储或分享。
免费
每个工具均可免费使用，核心功能无隐藏限制。
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