Vista - select-string exceptions

Can someone suggest how to capture the "exceptions" to the select-
string statement? I want to search through a text file and see only
the lines that do *not* have a certain string in it.

For instance, consider:

input.txt
------------
abc
def
geh
ijk

I want to view all lines that do *not* contain 'def' for instance. I
would think that there would be some variation of the select-string
cmdlet, but I can't find it.

Thanks,
Charlie

cmyers wrote:
> Can someone suggest how to capture the "exceptions" to the select-
> string statement? I want to search through a text file and see only
> the lines that do *not* have a certain string in it.
>
> For instance, consider:
>
> input.txt
> ------------
> abc
> def
> geh
> ijk
>
> I want to view all lines that do *not* contain 'def' for instance. I
> would think that there would be some variation of the select-string
> cmdlet, but I can't find it.
>
> Thanks,
> Charlie
>

Select-String uses Regular Expression so all you need is a negative
matching pattern:

select-string -pattern [^def] input.txt

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