什麼是 正規表示式測試器與除錯器?

免費線上正規表示式測試與除錯器。編寫帶有旗標的 pattern,查看即時比對高亮,檢查捕獲群組與比對索引。

為什麼要使用 正規表示式測試器與除錯器?

  • Live match highlighting in the test string
  • Capture group extraction with group numbers
  • All six regex flags supported (g/i/m/s/u/y)
  • Match index positions and count display

如何使用 正規表示式測試器與除錯器 — 逐步教學

1

Enter your regex pattern in the pattern field.

2

Toggle flags (g, i, m, s, u, y) as needed.

3

Paste your test string into the input area.

4

View highlighted matches and capture groups below.

正規表示式測試器與除錯器適合誰?

  • 模式驗證
  • 資料擷取
  • 日誌解析
  • 字串比對

正規表示式測試器與除錯器 — 常見問題

What regex flavor is supported?

The tool uses JavaScript's native RegExp engine, which supports the standard ECMAScript regex syntax.

What does the sticky (y) flag do?

The sticky flag matches only at the regex lastIndex position, not just anywhere in the string. It is useful for incremental parsing.

準備好使用 正規表示式測試器與除錯器 了嗎?

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