Using Regular Expressions
Question / Problem
How do regular expressions(RegEx) work in the "Exchange Server Toolbox"?
Answer / Solution
The "Exchange Server Toolbox" uses .Net regular expressions with the options IgnoreCase and Singleline set to true.
A tool for testing .NET regular expressions can be found here:
https://regex101.com/
An overview can be found here: https://cheatography.com/davechild/cheat-sheets/regular-expressions/
Alternatively, you can now use a generative text AI to generate RegEx. In that case, please use the link above to double check the validity of the expressions.