Regular Expressions Overview
A regular expression, also known as regex, describes a pattern for a string.
This appendix provides some details and tips specific to using regular expressions with the Data Collector. For a thorough description of how to define regular expressions, use a manual or online reference such as: https://docs.oracle.com/javase/tutorial/essential/regex/index.html.
For testing regular expressions, you might find the following website helpful: https://regex101.com/.