>>>
>>>It should work as-is, but here are a couple notes...
>>>You don't need reccount() - if it does not have any records, it won't have anything to scan.
>>>Don't assign the value to a variable.
>>>Put the code in your scan instead of calling an external routine.
>>>REPLACE STREETNAME with SUBSTR(ADDRESS,x,x)
>>>REPLACE STREETNO with SUBSTR(ADDRESS,x,x)
>>>...
>>
>>Multiple REPLACEs will be much slower than a single REPLACE.
>
>The idea was to move it out of the function...

In any case, with the cacheing done by VFP nowadays any difference between single/multiple REPLCEs is like there but negligible.