How can I remove duplicates in one string?

I extract the data from the column “email” as the image below.
Now, I want to remove duplicated emails in this output.

How can I do this? Please teach me.

Hi @khanh_dinh
Try this
String.Join( “;”,InputVar.Split(";"c).ToList().Distinct)

Thank you so much for your support.

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@khanh_dinh Always Welcome. Happy Learning

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