regex101: How to find the 7rd occurrence of a pattern on a line

Regular Expression

^(?:[^,]*\,){7}[\s]*(?P<SOURCE_PEER_IP>[\d\w\.:\-_;]+),

New

[1508738666710] sdclab010-10-site-1,,TT-0,Diameter,ULA,2001,sdclab010-10-site-1-2_cpf1,sdclab010-10-site-1-2_cpf1:3868,DRA101.epc.mnc002.mcc250.3gppnetwork.org,10.2.37.109,,RT-0,SB-0,,outTR-0,mmec38.mmegi9bdc.mme.epc.mnc002.mcc250.3gppnetwork.org;0;1496330010;1114,4,<ULA P C316 A16777251 H3963173446 E926568828 S8><Session-Id M mmec38.mmegi9bdc.mme.epc.mnc002.mcc250.3gppnetwork.org;0;1496330010;1114/><Origin-Host M PCRF1/><Subscription-Id-Data M No Subscription Id Data/><Framed-IP-Address M No Framed Ip Address/><Product-Name Some Product Name/><Result-Code M 2001/><Origin-Realm M traffixsystems.com/><Auth-Application-Id M 16777251/></ULA>

Extraction

[1508738666710] sdclab010-10-site-1,,TT-0,Diameter,ULA,2001,sdclab010-10-site-1-2_cpf1,sdclab010-10-site-1-2_cpf1:3868,DRA101.epc.mnc002.mcc250.3gppnetwork.org,10.2.37.109,,RT-0,SB-0,,outTR-0,mmec38.mmegi9bdc.mme.epc.mnc002.mcc250.3gppnetwork.org;0;1496330010;1114,4,<ULA P C316 A16777251 H3963173446 E926568828 S8><Session-Id M mmec38.mmegi9bdc.mme.epc.mnc002.mcc250.3gppnetwork.org;0;1496330010;1114/><Origin-Host M PCRF1/><Subscription-Id-Data M No Subscription Id Data/><Framed-IP-Address M No Framed Ip Address/><Product-Name Some Product Name/><Result-Code M 2001/><Origin-Realm M traffixsystems.com/><Auth-Application-Id M 16777251/></ULA>