Poetry does not correctly parse platform_release marker

[antoinea-cnty]

• Poetry version: 1.5.1
• Python version: 3.9.1
• OS version and name: Ubuntu 20.04.1

• I am on the latest stable Poetry version, installed using a recommended method.
• I have searched the issues of this repo and believe that this is not a duplicate.
• I have consulted the FAQ and blog for any relevant entries or release notes.
• If an exception occurs when executing a command, I executed it again in debug mode (-vvv option) and have included the output below.

Issue

Trying any operation with this :

torchvision = [
    {version = "^0.15.2+cpu", markers = "platform_release != '5.19.0-1025'"}
]

in the pyprojet.toml, results in a Could not parse version constraint: 5.15.0-76-generic error.

The issue seem to be triggered by the "-gerneric" part of the string. As putting any platform release with anything else than a version number seems to trigger the issue.

At the best of my knowledge this is a PEP 508 compliant string for platform_release and should be accepted by Poetry.

[dimbleby]

duplicate #7418

[github-actions]

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