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Welcome to Geoff Hayward's Weblog

Commenting on Java, JavaFX, Java EE, Joomla, and IoT.

This is a note on a simple regular expression to GREP for exceptions in a group of log files.

I have been debugging an issue unsure of what to look for. Of course 'Exception' on its own is not a great search term. Using a negative look-behind made the difference in trying to narrow down on what to look for. The look-behind made it possible to rule out the name of some of the exceptions that are not important to the issue at hand.

(?<!Faces|FileNotFound|Configuration)Exception


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