Check if value is in ValueList

[Genx]

I have a variety of fields that rely on one value list. To be valid, the contents of that field have to be a member of the value list (I don't want to use the filemaker validation because it's annoying). Anyway, i was thinking of using If(Substitute

(ValueListItems( "filename.fp7" ; "valuelist" ) ; FieldValue ; "" ) ≠ ValueListItems ; 1 ; 0 )

But the problem is it picks up incomplete values on the value list as valid. Is there an easier way of doing this?

Cheers,

~Genx

[IdealData]

Value list entries are all terminated with a LF/CR pair (except the last one).

Typically I add a dummy paragraph marker to the end of the value list, then I always compare with "String" & "paragraph marker", but I use the POSITION function - so any value >0 must be a valid entry.

[Genx]

Hmmm, thanks mate.

~Genx

[Genx]

Come to think of it though, wouldnt "alue" return true if "value" was a value in the value list?

[comment]

If you want to use Position(), you must check for:

Position ( ¶ & list & ¶ ; ¶ & item & ¶ ; 1 ; 1 )

I prefer:

not IsEmpty ( FilterValues ( item ; list ) )

[Genx]

That works perfectly, thanks comment.