MID DAX Function (Text)

Returns a string of characters from the middle of a text string, given a starting position and length.


MID ( <Text>, <StartPosition>, <NumberOfCharacters> )
Parameter Attributes Description

The text string from which you want to extract the characters.


The position of the first character you want to extract. Positions start at 1.


The number of characters to return.

Return values

Scalar A single string value.

A string of text of the specified length.


VAR SSN = "123-45-6789"
VAR SecureSSN = "XXX-XX-" & MID ( SSN, 8, 3 ) & "X"
-- Result is XXX-XX-678X

Related functions

Other related functions are:

Last update: Sep 27, 2020   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo, Naji El Kotob

MSDN documentation: https://docs.microsoft.com/en-us/dax/mid-function-dax

Context Transition

This function performs a Context Transition if called in a Row Context. Click to read more.

Row Context

This expression is executed in a Row Context. Click to read more.


Not recommended

The use of this function is not recommended. See Remarks and Related functions for alternatives.

Not recommended

The use of this parameter is not recommended.


This function is deprecated. Jump to the Alternatives section to see the function to use.


This parameter is deprecated and its use is not recommended.


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