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Expressのルーティングのパスに正規表現を使う

Posted at

ルーティングのパスに正規表現を使う

検証せずに数値(文字列)であることが保証できるので、ルーティングが太ることを回避できます。

xxx.ts
router.get("/students/:studentId([1-9]\\d*)", (req: Req, res: Res, next: Next) => {
    const studentId = req.params.studentId;
    const student = await studentsService.find(studentId);
    res.render("students/detail", {
        student,
    });
})

ルーティングの正規表現を試したい場合は、以下のサイトがオススメです。

Express Route Tester

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