正規表現テスター

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正規表現をライブでテスト

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正規表現テスター の使い方

  1. 1Enter your regular expression
  2. 2Select flags (g, i, m, s, u)
  3. 3Paste test text
  4. 4Matches are highlighted in real time

よくある質問

What regex engine is used?

JavaScript native RegExp engine, compatible with most modern regex features including lookaheads, groups, and Unicode.

What flags are supported?

Global (g), case-insensitive (i), multiline (m), dotAll (s), and unicode (u) flags.