Programming Reference Manual
 
Syntax
 
InStrRev(S1$, S2$[, Index])
 
Description
Return the index where S2$ last matches S1$. If no match is found return 0.
 
Parameter
Description
S1$ 
Search for S2$ in this string value. If this value is Null then Null is returned. 
S2$
Search S1$ for this string value. If this value is Null then Null is returned. 
Index 
Start searching for S2$ ending at this index in S1$. If this is omitted then start searching from the end of S1$.
See Also
Example
 
Sub Main
Debug.Print InStrRev("Hello","l") ' 4
End Sub