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Editorial Team
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Asked: 2026-05-23T21:32:34+00:00

My question below is: Is this a valid URL? https://example.com/css/login.css?12.1 My questions is basically

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My question below is:

Is this a valid URL?

https://example.com/css/login.css?12.1

My questions is basically is the “.” ok in 12.1 for the query string?

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1 Answer

  1. Editorial Team

    Yes, it is.

    In essence this means that the only characters you can reliably use
    for the actual name parts of a URL are a-z, A-Z, 0-9, -, ., _, and ~.
    Any other characters need to be Percent encoded.

    Source.

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