1)){5}:|(?!(?:.*[a-f0-9]:){6,})(?3)?::(?>((?1)(?>:(?1)){0,4}):)?)?(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])(?>\.(?') from dual;
{5: The loopback address be abbreviated to ::1 by using both rules, regex should say validisValid('::','ipv6<
我正在尝试从ubuntu系统挂载一个具有ip ipv6和ipv4地址的文件夹br0 Link encap:Ethernet HWaddr 16地址:PING 2001:db8::60fe:5bff:febc:912(2001:db8::60fe:5bff:febc:912) 56 data bytes
64 bytes from 2001: