--- id: 5e7b9f0b0b6c005b0e76f070 title: '正則表達式: 實用應用' challengeType: 11 videoId: xCjFU9G6x48 bilibiliIds: aid: 546924659 bvid: BV1mq4y1H7rZ cid: 376386493 dashedName: 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-- 3