Log lines

Extract IP address from log lines using PowerShell

Recently I had to extract IP Addresses from log file and check their hostnames. The easiest way to get this was using regex pattern in Select-String command. Extract IP Address Lets says that we have a log file which contains lines like: AUDIT “2018-06-19 00:14:16.481 GMT+0200” 10.13.11.7 Server01:1812 0 0 “text=Access GRANTED cloudId=pawel.janowicz To extract IP Address from it we can use Select-String command with the following regex pattern “\d{1,3}(\.\d{1,3}){3}”>: …