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@nyankote(丸 にゃんこて)

typescriptに正規表現の型をつける方法

Posted at

これでできる

type StartDate =`${number}${number}${number}${number}-${number}${number}-${number}${number}`

let startDate: StartDate = "2021-9-19" -> error
let startDate: StartDate = "2021-09-19" -> OK
参照

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