I hope someone can help me or can give me a hint:
What Grafana version and what operating system are you using?
What are you trying to achieve?
I have defined a custom variable with inputs like ABC001 (always 3 letter and 3 digits). In my dashboard i would like to make a query on an InfluxDB that is filtering on that variable but only on the first 3 letters.
How are you trying to achieve it?
I have tried a lot of queries like, but it doesn’t work:
SELECT last(“value”) FROM “device” WHERE (“TE” =~ /\D+$Variable/)
SELECT last(“value”) FROM “device” WHERE ( “TE” =~ /$Variable[^0-9]/)