An issue that arose while working on a spreadsheet for a client last week, caused me to find one of these such quirks.
Read on about the Curious Case of FIND and SEARCH...
I regularly use the FIND function to find text within other text, for various reasons.
The FIND function works as follows:
=FIND(text,within text,[start character])
This function returns the position (character number) of the first occurrence of "text" within "within text" - reading left to right, starting at the start character, or the beginning if omitted.
=FIND("U","NOTJUSTNUMBERS") returns 5
=FIND("U","NOTJUSTNUMBERS",7) returns 9
I had used this function as part of a larger formula in a client spreadsheet, but it needed to be case-insensitive. After a little Googling, I discovered the SEARCH function which is exactly the same as the FIND function, the only difference being that it is not case sensitive!
I was even able to use Find and Replace to swap all of my FIND functions for SEARCH functions, to stop them being case sensitive.
I might have come across this earlier if it had been called something like FINDCASEINSENSITIVE!
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