Re: [libreoffice-users] finding duplicates in a column in Calc

Thank you, Rémy.
This is the solution I was hoping for. It works without requiring a prior data sort.

I have previously used conditional formatting for other reasons but hadn't noticed the 'duplicate' 
option therein. Strange that it wasn't mentioned in the Calc online help.

Philip

On 12/11/2020 17:06, Remy Gauthier wrote:
> Hello.
> You can highlight the column and select Format > Conditional >
> Condition > [Cell Value] [is duplicate] (from the drop downs) and
> select a style to apply (Warning is probably a good one). This will set
> all duplicate entries in that style (if you selected Warning, the text
> will be red).
>
> You can also remove duplicates with Data > More Filters > Standard
> Filters; if your data is in column A, for example, then you go [Column
> A] [=] [Not Empty] (from the drop downs), and then in the options: No
> duplications, Copy results to [A cell address].
>
> I hope this helps.
> Rémy.
>
> Le jeudi 12 novembre 2020 à 14:55 +0100, Philip Jackson a écrit :
> > I sometimes import a load of data into a column and am looking for a way to detect duplicates. The 
> > data is mostly alpha but could contain some digits.
> >
> > At present, I sort the data in the column alphabetically and then manually inspect for duplicates. 
> > But with some data, I don't want to do an alpha sort.
> >
> > I don't find any way in Calc's menus to do this and the online help gives nothing for 'duplicates'. 
> > Maybe someone has an idea of a regex that could be used ?

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