Anyone have a simple formula(numeric) I can use in a saved search for stating {internalid} starts with 1 or 2 or 3?

Did you mean to ask that your need ONLY those results where internal ID starts with 1 or 2 or 3?

I think SUBSTR is what you need to get the first character of an internal id

Yes @Sunny R

CASE WHEN SUBSTR({internalid}, 1, 1) IN ('1', '2', '3') THEN 'good' END

Thanks a lot @Marc!