Text functions

Data Analysis Expressions (DAX) includes a set of text functions based on the library of string functions in Excel, but which have been modified to work with tables and columns in tabular models. This section describes text functions available in the DAX language.

In this category

Function	Description
COMBINEVALUES	Joins two or more text strings into one text string.
CONCATENATE	Joins two text strings into one text string.
CONCATENATEX	Concatenates the result of an expression evaluated for each row in a table.
EXACT	Compares two text strings and returns TRUE if they are exactly the same, FALSE otherwise.
FIND	Returns the starting position of one text string within another text string.
FIXED	Rounds a number to the specified number of decimals and returns the result as text.
FORMAT	Converts a value to text according to the specified format.
LEFT	Returns the specified number of characters from the start of a text string.
LEN	Returns the number of characters in a text string.
LOWER	Converts all letters in a text string to lowercase.
MID	Returns a string of characters from the middle of a text string, given a starting position and length.
REPLACE	REPLACE replaces part of a text string, based on the number of characters you specify, with a different text string.
REPT	Repeats text a given number of times.
RIGHT	RIGHT returns the last character or characters in a text string, based on the number of characters you specify.
SEARCH	Returns the number of the character at which a specific character or text string is first found, reading left to right.
SUBSTITUTE	Replaces existing text with new text in a text string.
TRIM	Removes all spaces from text except for single spaces between words.
UNICHAR	Returns the Unicode character referenced by the numeric value.
UNICODE	Returns the numeric code corresponding to the first character of the text string.
UPPER	Converts a text string to all uppercase letters.
VALUE	Converts a text string that represents a number to a number.