Robert Cain looks at the search operator in KQL:
In this post we will examine the KQL (Kusto Query Language)
searchoperator. Search allows us to look across all columns in one or more tables for a specific text string.The samples in this post will be run inside the LogAnalytics demo site found at https://aka.ms/LADemo. This demo site has been provided by Microsoft and can be used to learn the Kusto Query Language at no cost to you.
Click through to learn more about this very useful operator.