The previous post in this series Fun With KQL – Extract, showed how we can use the
extractoperator to pull part of a string using regular expressions. I think you’d agree though, using regular expressions can be a bit tricky.
If you have a string that is well formatted with recurring text you can count on, and want to pull one or more strings from it into their own columns, Kusto provides a much easier to use operator:
Robert includes a series of examples, including examples of things you cannot do.