Text.Replace Function in Power Query
The Text.Replace function returns the resultant string after replacing all occurrences of a substring with a new text value. Please note that this function is case sensitive.
Syntax
Text.Replace(text as nullable text, old as text, new as text) as nullable text
Example: Replace every occurrence of "Ashish" in a sentence with "Katrina".
Power Query M
let Source = Text.Replace("Hello Ashish, How are you?", "Ashish", "Katrina") in Source
The output will be in the string: “Hello Katrina, How are you?”. The output will be shown in the following image.