Returns the starting position of one text string within another text string. FIND is case-sensitive.
The text you want to find. Use double quotes (empty text) to match the first character in within_text; wildcard characters not allowed.
The text containing the text you want to find.
The character at which to start the search; if omitted, StartPosition = 1. The first character in WithinText is character number 1.
The numeric value to be returned if the text is not found; if omitted, an error is returned.
Number that shows the starting point of the text string you want to find.
FIND does not support wildcards. To use wildcards, use SEARCH.
Other related functions are:
Contributors: Alberto Ferrari, Marco Russo
MSDN documentation: https://docs.microsoft.com/en-us/dax/find-function-dax