Hey @Kubousky, If the field coordinatorsID is present as a column of the table, try expanding the field using mvexpand first, and then extract the field expertiseLevel from the coordinatorsID using regex. This will create a separate column for the expertiseLevel and then you can filter your data using the search command. Roughly your query should look something like this <<your_base_query>>
| mvexpand coordinatorsID
| rex field=coordinatorsID "[a-zA-Z]##(?<expertiseLevel>\d)"
| search expertiseLevel="3"
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