Cell contains one of many things

An excel formula to cell contains one of many things

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 Cell contains one of many things

If you want to test a cell to see if it contains one of several things, you can do so with a formula that uses the SEARCH function, with help from the ISNUMBER and SUMPRODUCT functions.


Let's say you have a list of text strings in the range B5:B11, and you want to test each cell against another list of things in range E5:E9. In other words, for each cell in B5:B11, you want to know: does this cell contain any of the things in E5:E9?

You could start build a big formula based on nested IF statements, but that won't be any fun at all, especially if the list of things you want to check for is large.


The solution is to to create a formula that can test for multiple values and return a list of TRUE / FALSE values. Once we have that, we can process that list (an array, actually) with SUMPRODUCT.

The formula we're using looks like this:


How this formula works

The key is this snippet:


This is based on another formula (explained in detail here) that simply checks a cell for a single substring. If the cell contains the substring, the formula returns TRUE. If not, the formula returns FALSE.

However, if we give the same formula a list of things (in this case, we are using a named range called "things", E5:E11) it will give us back a list of TRUE / FALSE values. The result is actually an array that looks like this:


Notice that if we have even one TRUE in the array, we know a cell contains at least one thing in the list. So, we can force the TRUE / FALSE values to 1s and 0s with a double negative (--, also called a double unary):


which yields an array like this:


Now we process the result with SUMPRODUCT, which will add up the entire array. We know if we get a non-zero result, we have a "hit", so we use >1 to force a final result of either TRUE or FALSE.


With a hard-coded list

There's no requirement that you use a range for your list of things. If you're only looking for a small number of things, you can use a list in array format, which is called an array constant. For example, if you're just looking for the colors red, blue, and green, you can use {"red","blue","green"} like this:


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