rex field message

[indeed_2000]

Hi
what is the rex for this
field1=this is message

here is the log:
00:09:59.990 app module: AB[0000]: Data[{"code":"OK","messageEn":"this is message","messageCa":null,"id":"0"}

Thanks,

[ITWhisperer · Accepted solution]

| rex "messageEn\":\"(?<field1>[^\"]+)"