How does the LEN function (DAX) work?
The LEN function (DAX) returns the number of characters within a text string.
LEN Formula Syntax
How do you use the LEN function?
DAX uses Unicode, and stores the same length of all characters. Therefore LEN always counts each character as 1 regardless of the default language setting.
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Considerations when using the LEN function
If you are using the DAX LEN function with a column containing non-text values such as dates or boolean values, the function will implicitly translate the value into text using the current column format.
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Formula examples using the LEN function
= LEN (
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