今天在測試正規表示式的時候逛到 Dan’s Tools 這個線上工具，原本我只有用他的 Regex checker 來驗證我的正規表示式是不是正確，結果仔細一看包了許多在開發中可能會很常用到的工具
因為太多了 .. 我就懶的一一細講，直接複製貼上 …
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Color Palette Explorer
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