How to use the ISTEXT function
What is the ISTEXT function?
The ISTEXT function returns Boolean value TRUE if value is text. Use the ISTEXT function in a formula to identify text values for example in an IF function.
What is text in Excel?
Excel tries to identify inserted values automatically, text values are left-aligned. Boolean values and error values are centered in cells, and numerical values are right-aligned. You can change the alignment if you like.
Cells containing text values evaluates to TRUE by the ISTEXT function. The ISNTEXT function lets you check a value programmatically in a formula instead of visually identify values by their position in a cell.
What is a formula?
A formula in Excel is an expression that calculates a value based on the values in other cells. Formulas must start with an equals sign "=" and can contain cell references, math operators, functions, constants, arrays, etc. They are used to perform calculations in Excel.
What is a Boolean value?
A Boolean value in Excel is a value that can only be TRUE or FALSE. It represents binary logic and is the result of a logical expression using logical operators or a result of a few Excel functions that I'll discuss below.
Mastering Boolean logic and logical expressions is key to manipulating data and controlling workflow in Excel.
Other IS functions
| Excel Function | Description |
|---|---|
| ISBLANK(value) | Returns TRUE if the value is empty, FALSE otherwise |
| ISERR(value) | Returns TRUE if the value is any error value except #N/A, FALSE otherwise |
| ISERROR(value) | Returns TRUE if the value is any error value, FALSE otherwise |
| ISEVEN(value) | Returns TRUE if the value is an even number, FALSE for odd numbers |
| ISFORMULA(reference) | Returns TRUE if the cell contains a formula, FALSE otherwise |
| ISLOGICAL(value) | Returns TRUE if the value is a logical value (TRUE/FALSE), FALSE otherwise |
| ISNA(value) | Returns TRUE if the value is the #N/A error, FALSE otherwise |
| ISNONTEXT(value) | Returns TRUE if the value is not text, FALSE if it is text |
| ISNUMBER(value) | Returns TRUE if the value is a number, FALSE otherwise |
| ISODD(value) | Returns TRUE if the value is an odd number, FALSE for even numbers |
ISTEXT function Syntax
ISTEXT(value)
ISTEXT function Arguments
| value | Required. The value you want to check for text. |
ISTEXT function example
Formula in cell C3:
The ISTEXT function is very useful to identify error values in arrays. Most Excel functions return the error value, however, this function returns FALSE if it encounters an error.
Filter text values
This example demonstrates how to filter text values from a cell range excluding numbers, errors, and Boolean values.
Excel 365 dynamic array formula in cell C3:
The FILTER function lets you extract specific values based on Boolean values, a value is included if the corresponding value is TRUE and excluded if the corresponding value is FALSE.
Explaining formula
Step 1 - Identify text values
ISTEXT(B3:B9)
becomes
ISTEXT({"A";1;#DIV/0!;"B";TRUE;2;"V"})
and returns
{TRUE;FALSE;FALSE;TRUE;FALSE;FALSE;TRUE}
Step 2 - Filter values
The FILTER function extracts values/rows based on a condition or criteria.
Function syntax: FILTER(array, include, [if_empty])
FILTER(B3:B9,ISTEXT(B3:B9))
becomes
FILTER({"A";1;#DIV/0!;"B";TRUE;2;"V"}, {TRUE;FALSE;FALSE;TRUE;FALSE;FALSE;TRUE})
and returns
{"A";"B";"V"}
'ISTEXT' function examples
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Functions in 'Information' category
The ISTEXT function function is one of many functions in the 'Information' category.
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