The `=` operator after the label name is a **label matching operator**.
The following label matching operators are supported:
- `=`: exactly equal
- `!=`: not equal
- `=~`: regex matches
- `!~`: regex does not match
The `| drop` expression will drop the given labels in the pipeline. For example, for the query `{job="varlogs"}|json|drop level, method="GET"`, with below log line
```
@ -619,7 +611,7 @@ The `| drop` expression will drop the given labels in the pipeline. For example,
Similary, this expression can be used to drop `__error__` labels as well. For example, for the query `{job="varlogs"}|json|drop __error__`, with below log line
@ -639,13 +631,13 @@ Example with regex and multiple names
For the query `{job="varlogs"}|json|drop level, path, app=~"some-api.*"`, with below log lines