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Summary

It's only safe to enforce the x in "1234567890" case if x is exactly one character, since the set on the right has been reordered as compared to string.digits. We can't know if x is exactly one character unless it's a literal. And if it's a literal, well, it's kind of silly code in the first place?

Closes #13802.

@charliermarsh charliermarsh self-assigned this Nov 9, 2024
@charliermarsh charliermarsh added the bug Something isn't working label Nov 9, 2024
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github-actions bot commented Nov 9, 2024

ruff-ecosystem results

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✅ ecosystem check detected no linter changes.

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✅ ecosystem check detected no linter changes.

@charliermarsh charliermarsh merged commit 555a5c9 into main Nov 9, 2024
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@charliermarsh charliermarsh deleted the charlie/f branch November 9, 2024 20:31
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FURB156 false positive for multi-character string before in
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