[systemd-devel] Udev Regex

[Andrei Borzenkov]

On Wed, May 6, 2020 at 3:23 PM Boyce, Kevin P [US] (AS)
<Kevin.Boyce at ngc.com> wrote:
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> Good Morning List,
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>
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> Does anyone know how complicated of a regular expression can be utilized in a udev rule?
>

I would ask udev manual page :)

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> For instance I have a system with a lot of drives (sda through z aren’t enough) and I want to write a rule that will match the physical block devices for one rule and then a separate rule for partitions.
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> Something like this, however the rules don’t seem to fire except when I remove the ‘+’ from the rules:
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> ACTION==”add”, SUBSYSTEM==”block”, KERNEL==”sd[a-z]+”, SYMLINK+=”some_device_%k”
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> ACTION==”add”, SUBSYSTEM==”block”, KERNEL==”sd[a-z]+[0-9]+”, SYMLINK+=”some_device_%k”
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> I am running systemd version 219-67.
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> Kind Regards,
>
> Kevin
>
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