SUBSTITUTE Function
Replaces existing text with new text in a text string.
Syntax
SUBSTITUTE(<text>, <old_text>, <new_text>, <instance_num>)
Parameters
Term |
Definition |
|---|---|
text |
The text in which you want to substitute characters, or a reference to a column containing text. |
old_text |
The existing text that you want to replace. |
new_text |
The text you want to replace old_text with. |
instance_num |
(optional) The occurrence of old_text you want to replace. If omitted, every instance of old_text is replaced |
Property Value/Return Value
A string of text.
Remarks
Use the SUBSTITUTE function when you want to replace specific text in a text string; use the REPLACE function when you want to replace any text of variable length that occurs in a specific location in a text string.
The SUBSTITUTE function is case-sensitive. If case does not match between text and old_text, SUBSTITUTE will not replace the text.
This DAX function may return different results when used in a model that is deployed and then queried in DirectQuery mode. For more information about semantic differences in DirectQuery mode, see https://go.microsoft.com/fwlink/?LinkId=219171.
Example: Substitution within a String
Description
The following formula creates a copy of the column [Product Code] that substitutes the new product code NW for the old product code PA wherever it occurs in the column.
Code
=SUBSTITUTE([Product Code], "NW", "PA")