HI,
How about the following expression? This extract numeric characters which exists at the end of the next line of “PO NUMBER” (Because I guess it’s PO NUMBER)
System.Text.RegularExpressions.Regex.Match(strData,"(?<=PO NUMBER[\s\S]+?)\d+(?=\r?\n|$)").Value
Sample20230907-3L.zip (14.4 KB)
Regards,