InStrRev Function

Syntax
InStrRev(S1$, S2$[, Index])
Group
String
Description
Return the index where S2$ last matches S1$. If no match is found return 0.
Parameters Description
S1$ 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
Left$( ), Len( ), Mid$( ), Replace$( ), Right$( )

Sub Main
    Debug.Print InStrRev("Hello","l") ' 4
End Sub