Hi,
I'm new to this forum and Splunk in general, so thank you in advance for all your help.
I'm trying to use rex in Calculated fields to extract some text and then further format it.
The rex itself looks like this:
rex field=source(?\d{4}-\d{2})
but when I pass it along to the Eval Expression field, I'm getting the following error message:
Encountered the following error while trying to save: In handler 'props-eval': Invalid operator
The regex works fine in Search.
Any help will be much appreciated.
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