Regex Tester
Test regex matching and replacement in real-time. Supports group capture inspection.
Regex Pattern
Test String
Replacement (optional)
Match Count
0件
How to Use
Set the regex pattern and flags (g/i/m/s), then enter a test string to see match results highlighted. Replacement testing is also available.
How It Works
Uses JavaScript's RegExp object for real-time matching, displaying group capture contents as well.
よくある質問
正規表現のフラグ（g, i, m等）は設定できますか？
置換機能はありますか？
入力データはサーバーに送信されますか？
スマートフォンでも使えますか？
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