Checking if any cell in a column of strings on one worksheet is contained in a column of strings in another worksheet

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I have a column of strings in an Excel worksheet. I’m looking for a way to write a worksheet function (not VBA) that will allow me to tell, for each cell, if the value of the cell is contained in a column of strings in a second worksheet.

Thank you,


You need ‘vlookup’ function.

For example, if on sheet1, in column A you have your strings – and you need to check which of these are present in column A on sheet2, then you would put in column B on sheet1 the following: =vlookup(A1,sheet2!A:A,1,false) – the result of this would either be the same string (if it’s present) or #N/A if it’s not – you can further use iserror function to check for this. Combining the two, you can write: =if(iserror(vlookup(A1,sheet2!A:A,1, false), false, true)) in cell B1 of sheet1 – it will show “true” or “false” depending on whether A1 is present in sheet2 column. And so on along the column.

VLOOKUP will work but I would always suggest using MATCH instead, it just seems cleaner to me, and works on ranges of more than one column.
Similar principle as other example:

So MATCH looks for your value (eg A1) in some other range (which can be 1 or more than 1 row or column, ie any size or shape you like) eg C1:E25, checks for an exact match (0). This returns a value if it is found, or #N/A if not, so ISNA picks up the ones not found, and NOT reverses that so that a result of “True” means “is in the range” and “False” means “is not found”

Alternative would be to simply use COUNTIF to count how many times an item occurs in the other range, and check if that is > 0
=COUNTIF(C1:E25, A1)>0
Returns True if A1 is found in the range, False if not (don’t be tempted to stick an IF round this where it is not needed, this is already a conditional formula).

Again, this supports ranges of more then one row and column if you need it to.

Don’t forget to put your $ in your formulas before you copy these from cell to cell, I have left them out of the examples for readability.

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