$WBLINDOF is available for use with all WBSP commands:
texttobesearched - text being searched
texttosearchfor - text sought
start - optional numeric parameter specifying the position inside texttobesearched to begin search. If it does not exist, search begins at the end of the texttobesearched.
Number specifying position (from the beginning of the texttobesearched ) of first occurrence of texttosearchfor inside texttobesearched, starting from the end of texttobesearched or from start position, backwards.
After running this example, the resulting page in browser, may look like this:
Please note that there are two spaces around word in used as the second parameter of function $WBLINDOF. If you clear these spaces, function will return position 38, because last occurrence of string in (without spaces around it) is in word plains.