excel vba: return values only if they are not present in current column

Posted by every_answer_gets_a_point on Stack Overflow See other posts from Stack Overflow or by every_answer_gets_a_point
Published on 2010-05-18T19:34:36Z Indexed on 2010/05/19 19:20 UTC
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vba

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excel

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excel-vba

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macros

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excel-formula

i have a column to which i am adding data from another column

i would like to check whether that column has the data that i wish to add. can you help me wiht a formula that will tell me whether a certain value exists in the current column?

please keep in mind it is a bit more complex than it sounds.

currently i have this in the cell:

=IF(OR(A3="ETG_C",A3="ETGC"),C3,"na")

i would like to have something like this

=IF(FIND(IF(OR(A2="ETG_C",A2="ETGC"),C2,"na"),K:K,1)," ",IF(OR(A2="ETG_C",A2="ETGC"),C2,"na"))

another words, if the top value exists already, then add a blank space

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