>Hi All,
>
>A colleague has since long a UDF named ISTR() that is used in many places. Since vfp9 there is a new function named ISTRANSACTABLE() that can also be shortened to ISTR(). The UDF is no longer found.
>
>Is there any way of dealing with this situation other that going through the tedious and dangerous process of searching and replacing all occurences of the UDF?

Since you have VFP9, you also have Code Reference which is a great tool for this kind of search and replace.