create a function...

[Agamemnus]

Create a function with the following specifications:

*It checks for the existence of any of a set of strings inside one position of a string.
*It takes this form:

INSTRMULTI%(startlocation%, stringarray$(), stringtosearch$)

1) startlocation% is the starting search location inside stringtosearch$.
2) stringarray$() are the strings to search.
3) Two values result:
INSTRMULTI%, the search location.
stringindexfound%, the index position of the first string found. Strings should be sorted alphabetically, A-Z, and on size, smallest first.

Optional:
Make stringindexfound%() an array, so that if there is more than one string found at the first location, the array gives all the index values of all the strings found.

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Important
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This wouldn't be much of a challenge if you only used INSTR and compared the results inside the function. That's inefficient. The function should not search the same character in a string twice or more!

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Prizes
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Satisfaction that you created a good time-saving function...