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id title challengeType videoId bilibiliIds dashedName
5e7b9f0b0b6c005b0e76f070 正則表達式： 實用應用 11 xCjFU9G6x48
aid bvid cid
546924659 BV1mq4y1H7rZ 376386493
regular-expressions-practical-applications

--question--

--text--

在正則表達式中，怎麼搜索一個 “$” 符號?

--answers--

$

\dollar\

\$

!$

--video-solution--

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