Is subject: (A or B or C) more efficient than three separate filters?
Yes, it is. However, unless you’ve got thousands of individual filters, the difference should be negligible. This FAQ Entry was updated on 10.27.06, please give us your feedback. My filter expression is “$$$*”. Why doesn’t the wildcard work? Any punctuation inside quotes, except a dollar sign, is ignored. So, any operators you want to use (*, &, |, etc.) must be outside of any quotes or they won’t work. Use the following expression instead: $$$* This FAQ Entry was updated on 10.27.06, please give us your feedback. Why do I need three characters in a wildcard expression? By requiring three characters in wildcard expressions, we were able to optimize Agent’s filter performance significantly. This FAQ Entry was updated on 10.27.06, please give us your feedback. Why doesn’t the following filter expression work: $* Wildcard expressions must have at least three characters preceding the wildcard, where characters may be letters, numbers, or dollar signs ($). Use the following expression inste
