orale正则匹配ipv6地址

SELECT * FROM dual WHERE REGEXP_LIKE('5e:0:0:0:0:0:5668:eeee','^((?:[\da-fA-F]{0,4}:[\da-fA-F]{0,4}){2,7})(?:/\%)?$');
Oracle匹配ipv6正则时，无法匹配问题

^(?:[\da-fA-F]{0,4})?(::?[\da-fA-F]{0,4}){1,7}(?:/\%)?$