How can I extract fields as an array?

Dear friends, I have one event in my log file that my user want to extract fields as an array. The event is: RequestTime="14 Sep 2017 23:59:47.819" RequesterIP="10.108.18.9" HTTPDThreadID="@http-0.0.0.0-3043-6" RequestType="AddMeterReadJob" RequestLen="2755" RequestTimeUnix="1505433587.819" ResponseType="JobIDResponse" ResponseLen="3652" ResponseTimeUnix="1505433587.866" ResponseTime="14 Sep 2017 23:59:47.866" ElapsedTime="0.047" OpenThreadCount="0" RequestXML='MeterInquiry_MeterRead_SYNC00:13:50:03:00:42:3a:ce00:13:50:03:00:48:05:1e00:13:50:03:00:49:88:7a00:13:50:03:00:48:31:bc00:13:50:03:00:48:15:2100:13:50:03:00:42:2c:3f00:13:50:03:00:48:14:a900:13:50:03:00:48:3f:2f00:13:50:03:00:44:0d:1600:13:50:03:00:47:fb:8f00:13:50:03:00:48:fc:6300:13:50:03:00:43:8c:3c00:13:50:03:00:3b:14:d300:13:50:03:00:48:fb:8c00:13:50:03:00:3a:ef:9000:13:50:03:00:3b:10:3200:13:50:03:00:3e:b1:c300:13:50:03:00:3b:0b:9000:13:50:03:00:48:f6:6100:13:50:03:00:3d:1a:d900:13:50:03:00:61:fa:f900:13:50:03:00:48:fc:3800:13:50:03:00:3c:23:7400:13:50:03:00:3e:5e:b300:13:50:03:00:49:05:4500:13:50:03:00:3b:14:a700:13:50:03:00:42:bf:0900:13:50:03:00:42:6f:bd00:13:50:03:00:47:70:a000:13:50:03:00:3e:a1:2700:13:50:03:00:43:8c:4600:13:50:03:00:42:c9:c800:13:50:03:00:48:fb:e800:13:50:03:00:40:d2:1100:13:50:03:00:48:e1:ae00:13:50:03:00:41:fd:6f00:13:50:03:00:48:fb:65JOB_OP_REGISTER_CURR_READ0JOB_PRIORITY_HIGH208115248' I need to be able to get a list of **urn:DeviceMacID** and be able to manipulate them as field. Is there any way? Thank you Gerson Garcia