回答編集履歴
1
修正。
answer
CHANGED
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@@ -5,9 +5,13 @@
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5
5
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print(utf8)
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6
6
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//=> \U00e6\U0097\U00a5\U00e6\U009c\U00ac
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7
7
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8
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-
let
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8
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+
let unicodes = utf8.components(separatedBy: "\\U")
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9
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-
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9
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.filter {!$0.isEmpty}
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10
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-
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10
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+
.map {UInt8($0, radix: 16) ?? 0}
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11
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print(unicodes)
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12
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//=> [230, 151, 165, 230, 156, 172]
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13
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+
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14
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+
let str = String(bytes: unicodes, encoding: .utf8) ?? "(error)"
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11
15
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print(str)
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12
16
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//=> 日本
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13
17
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```
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