import re
rx = r"Event demon log entry:[\r\n]*\[[^]]+]\s*(.*?)\s*EVENT: ALARM.*?JOB:\s*(\S+)\s*EXITCODE:\s*(\d+)"
s = "Event demon log entry:\n\n[27/12/2018 04:48:17] CAUAJM_I_40245 EVENT: ALARM ALARM: JOBFAILURE JOB: bx_p2_reporting EXITCODE: 1"
print(re.findall(rx, s, re.IGNORECASE))
aW1wb3J0IHJlCnJ4ID0gciJFdmVudCBkZW1vbiBsb2cgZW50cnk6W1xyXG5dKlxbW15dXStdXHMqKC4qPylccypFVkVOVDogQUxBUk0uKj9KT0I6XHMqKFxTKylccypFWElUQ09ERTpccyooXGQrKSIKcyA9ICJFdmVudCBkZW1vbiBsb2cgZW50cnk6XG5cblsyNy8xMi8yMDE4IDA0OjQ4OjE3XSAgICAgIENBVUFKTV9JXzQwMjQ1IEVWRU5UOiBBTEFSTSAgICAgICAgICAgIEFMQVJNOiBKT0JGQUlMVVJFICAgICAgIEpPQjogYnhfcDJfcmVwb3J0aW5nIEVYSVRDT0RFOiAgMSIKcHJpbnQocmUuZmluZGFsbChyeCwgcywgcmUuSUdOT1JFQ0FTRSkp