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@@ -72,4 +72,9 @@ label_values(hostname)
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You can also use raw queries & regular expressions to extract anything you might need.
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+### Using templated variables in queries
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+
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+When the `Include All` option or `Multi-Value` option is enabled, Grafana converts the labels from plain text to a regex compatible string.
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+Which means you have to use `=~` instead of `=` in your Prometheus queries. For example `ALERTS{instance=~$instance}` instead of `ALERTS{instance=$instance}`.
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+
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bergquist