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SUBSTITUTE Function

Replaces existing text with new text in a text string.

SUBSTITUTE(<text>, <old_text>, <new_text>, <instance_num>)

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

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  http://go.microsoft.com/fwlink/?LinkId=219171.

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") 
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