If there are many repeat string comma-separated excel within a cell, for example:
John Doe, Wang Wu, John Doe, Zhao Si, bastard ...
you want to remove duplicate names, with the eyes very tired
First, a single cell is divided into a plurality of cells
Select "Data", the text can be divided
Second, remove duplicates
Where the data in the first cell A1 as an example, an alternative space
= IF (COUNTIF ($ A $ 1: A1, A1) = 1, A1, "")
and then pulling the right, the data obtained have switched to the Bank weight, duplicate data is replaced with spaces
Third, go to Space
Select all the data zone, copy, paste transformation matrix, then each column screening spaces removed.