Reference to the contains() string manipulation functions
Summary
contains(metric|source|<pointTagKey>, "<subString>", <tsExpression>)
Returns true if the specified metadata string contains the substring, and returns false otherwise.
Parameters
| Parameter | Description |
|---|---|
| metric|source|<pointTagKey> | The metadata string (metric name, source name, or value of a point tag key) to be tested. |
| subString | String to test for containment in the metadata string. |
| tsExpression | The expression that describes the time series with the metadata string to be tested. |
Example
In the following example, we check whether the value of the service point tag, which is dataingester contains a specified string. In the first case, the result is true for the string data. In the second case, the result is false for the string metrics.
