🎉 New features launched: Gomoku has been updated with online multiplayer, undo, and resign, plus local PvP and AI modes.🎉 New features launched: Chinese Chess has been updated with AI, local PvP, and online multiplayer.🎉 New features launched: Chinese Checkers has been updated with 2-6 player online rooms, AI, and local PvP.🎉 New features launched: Career Simulator has been updated with improved career progression and endings.🎉 Japanese is now available! Use the language selector in the top-right corner and choose "日本語" to try it.🎉 Korean is now available! Use the language selector in the top-right corner and choose "한국어" to try it.🎉 Russian is now available! Use the language selector in the top-right corner and choose "Русский" to try it.🎉 The loan calculator got a major upgrade: multi-country mortgage plans with instant monthly payment and interest calculation. Try it now.🎉 Picture Puzzle is here! Choose an image and difficulty, or share a challenge with friends.🎉 New features launched: Gomoku has been updated with online multiplayer, undo, and resign, plus local PvP and AI modes.🎉 New features launched: Chinese Chess has been updated with AI, local PvP, and online multiplayer.🎉 New features launched: Chinese Checkers has been updated with 2-6 player online rooms, AI, and local PvP.🎉 New features launched: Career Simulator has been updated with improved career progression and endings.🎉 Japanese is now available! Use the language selector in the top-right corner and choose "日本語" to try it.🎉 Korean is now available! Use the language selector in the top-right corner and choose "한국어" to try it.🎉 Russian is now available! Use the language selector in the top-right corner and choose "Русский" to try it.🎉 The loan calculator got a major upgrade: multi-country mortgage plans with instant monthly payment and interest calculation. Try it now.🎉 Picture Puzzle is here! Choose an image and difficulty, or share a challenge with friends.
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正規表現テスター

ライブマッチング・グループキャプチャ・置換プレビュー

ヒント

  • すべての JS 正規表現フラグ (g、i、m、s、u、y) をサポートします
  • テンプレートをクリックすると、そのパターンとサンプルテキストが即座にロードされます
  • 置換では、完全一致の $1、$2 後方参照と $& がサポートされます。
  • ライブ マッチングでは 200 ミリ秒のデバウンスを使用します。手動でトリガーする必要はありません

よくあるパターン

フラグのリファレンス

gグローバル: すべての一致を検索
i大文字と小文字を無視する
m複数行: ^ と $ は各行に一致します
sドットは改行と一致します
uUnicode を有効にする
ySticky: lastIndex から始まる一致