Description
Extract operating system minor version from user agent string, based on ua_parser.Syntax
OsMinor(user_agent_string)
Examples
OsMinor('Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.93 Safari/537.36') returns ‘6’