hi @bowesmana 🙂 thanks for the swift response, but i think i got a little more confused. hehe i am trying to extract the value of "messages received" for "lifetime" using the REX command. but i would like to compare this LIFETIME value from the previous event (lets assume last event is an hour ago), using the same REX command. i would then like to subtract the value of 'LIFETIME' on the current event and the Previous event. this would be so much easier if i could make message receive, lifetime as its own field, but this is from a CSV file which is mix with a ton of other data on the same field. Counters: Reset Uptime Lifetime Messages Received 12,524,598 12,524,585 12,524,598 Counters: Reset Uptime Lifetime Messages Received 13,524,598 13,524,585 13,524,598 so "Message Received" 13,524,598 - 12,524,598 = 1,000,000 so i want to get the 1 million as the final value of message received
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