# FILTER case-sensitive

To filter data in case-sensitive way, you can use the FILTER function with help from the EXACT function. In the example shown, the formula in F5 is:

Which extracts data where color is "RED", respecting upper and lower case.

This formula relies on the FILTER function to retrieve data based on a logical test. The *array* argument is provided as B5:D15, which contains all of the data without headers. The *include* argument is an expression based on the EXACT function:

EXACT(B5:B15,"RED")

The EXACT function compares two text strings in a case-sensitive manner. If the two strings are exactly the same, EXACT returns TRUE. If the two strings are not exactly the same, EXACT returns FALSE. Since we are giving EXACT a range with 11 values as the first argument, and the string "RED" as the second, EXACT returns an array with 11 results like this:

{FALSE;FALSE;FALSE;TRUE;FALSE;FALSE;TRUE;FALSE;FALSE;FALSE;TRUE}

Notice the position of TRUE values in this array corresponds to the rows where the color is "RED".

This array returned directly to the FILTER function as the *include* argument. FILTER uses the array to filter the range B5:D15, and returns the three rows where the color is "RED". Rows where the color is "Red" are not included.

### Partial match

To run an exact match with FILTER based on a partial match, see the example explained here.

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