1. The functions SEARCH(), SEARCHB(), FIND() and FINDB() return a #value
error if they didn't find the "find_text" string within the "within_text"
string. This forces the user to use long formulas such as
=IF(ISERROR(SEARCH(A1, A2)), 0, SEARCH(A1, A2)) in order to avoid errors.
Since in case of success, these functions return the serial number of the
first matching character, starting from 1, I suggest that these functions
return either 0 or -1 if they can't find that text.
2. I suggest to add functions that count the number of times that one text
exists within another, for example:
FINDNUM(find_text, within_text), SEARCHNUM(find_text, within_text)
FINDNUM is case-sensitive, SEARCHNUM is not.
Find_text is the text you want to find.
Within_text is the text containing the text you want to find.
Example: FINDNUM("ma", "Mamma mia!") returns 1, SEARCHNUM("ma", "Mamma
mia!") returns 2.

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