Hi yuanliu, Thank you for pointing out my mistakes in the regex and lack of clarity in my desired criteria. Your description of my intended output for results are correct. You are also correct that a multi-value field is not optimal for my desired results field. Thinking this over, I resolved the issue by using mvexpand on numbers before applying the Boolean logic (i.e. expression>5). I greatly appreciate your help to troubleshoot through both my SPL expressions and the implementation of the search. ... View more