Extract only numeric values from OID SNMP

[carsa81]

Hi

I'm reading a oid by snmp that results a string like

18.00 Centigrade

I tried wit pre-process TRIM and Regex PCRE [azA-Z] but doesn't work, i Have to eleiminate space too, then add a graph too

thank you

[Atsushi]

Please tell me exactly what settings you made and the detailed version of Zabbix you are using.

[carsa81]

Zabbix 3.4.12

SNMP: preprocess type TRIM [a-zA-Z]