In this post I will show how RegExTractor will use regular expressions as search terms. As seen in part 1 of this tutorial RegExTractors search result show us all findings of the provided search term "Application started". But this is not our goal. We'd like to know all dates and times when our application was started. RegExTractor supports regular expressions. It's assumed that you're familiar with regular expressions . The things we are interested in is the date, the time and the text "Application started". So we build our regular expressions using brackets to define our match groups. (\d{2}.\d{2}.\d{2} ) ( \d{2}:\d{2}:\d{2} ).+?( Application Started ) We create a search term file as described in part 1 using this more complex regular expression as search term instead of just the simple search string. The result looks like this: Doing the regular expression with .NET Framework functions the search will return the whole match of our regula...