Here are a few examples of the most frequently requested structures. Make sure you have Regexp selected and Whole is disabled.
Find messages that contains Word1
Find messages that begin with Word1
Find messages that end with Word1
Find messages that contain Word1 or Word2
Find messages that do NOT contain Word1
Find messages that contain Word1 and then Word2
Find messages that contain Word1 and Word2 (any order)
Find messages that do NOT contain Word1 and Word2
Find messages that contain Word1, but NOT Word2
We are going to extend the list of examples. Please contact us with your use cases.