我似乎无法找出此正则表达式在PL/SQL
中不起作用的原因。IPv6正则表达式(RegEx)不能在PL/SQL中工作
if (REGEXP_LIKE(v,'/^(?>(?>([a-f0-9]{1,4})(?>:(?1)){7}|(?!(?:.*[a-f0-9](?>:|$)){8,})((?1)(?>:(?1)){0,6})?::(?2)?)|(?>(?>(?1)(?>:(?1)){5}:|(?!(?:.*[a-f0-9]:){6,})(?3)?::(?>((?1)(?>:(?1)){0,4}):)?)?(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])(?>\.(?4)){3}))$/iD')) then
这是用于验证IPv4和IPv6,它来自这里:https://stackoverflow.com/a/1934546/3112803
不知道这有什么关系,但我也问了一下就完了D
标志这个问题:What Does This Regular Expression (RegEx) Flag Mean /iD
出于某种原因,这个正则表达式适用于我的测试最在这个网站:http://regex101.com/但PL/SQL
一切都是无效的。
我的意思是由最的是,有一些情况下,我觉得很失败,但我一直在寻找了几天,这是最好的一个我能找到的是在512个字符(512使用REGEXP_LIKE
时的限制PL/SQL
)
我很感激任何帮助。谢谢!
这些是我使用的测试案例...
{1: Initial address, regex should say valid/match}
select isValid('2001:0db8:0000:0000:0000:ff00:0042:8329','ipv6') from dual;
{2: After removing all leading zeroes, regex should say valid/match}
select isValid('2001:db8:0:0:0:ff00:42:8329','ipv6') from dual;
{3: After omitting consecutive sections of zeroes, regex should say valid/match}
select isValid('2001:db8::ff00:42:8329','ipv6') from dual;
{4: The loopback address, regex should say valid/match}
select isValid('0000:0000:0000:0000:0000:0000:0000:0001','ipv6') from dual;
{5: The loopback address be abbreviated to ::1 by using both rules, regex should say valid/match}
select isValid('::1','ipv6') from dual;
{6: This should be valid/match}
select isValid('ABCD:ABCD:ABCD:ABCD:ABCD:ABCD:192.168.158.190','ipv6') from dual;
{7: This should be valid/match}
select isValid('::','ipv6') from dual;
{8: IPv6 applications to communicate directly with IPv4 applications, regex should say valid/match}
select isValid('0:0:0:0:0:ffff:192.1.56.10','ipv6') from dual;
{9: should NOT be valid/match}
select isValid('::ffff:192.1.56.10/96','ipv6') from dual;
{old formats used for tunneling, these should NOT be valid/matches}
{10}
select isValid('0:0:0:0:0:0:192.1.56.10','ipv6') from dual;
{11}
select isValid('::192.1.56.10/96','ipv6') from dual;
{These 4 should be valid/match}
{12}
select isValid('::FFFF:129.144.52.38','ipv6') from dual;
{13}
select isValid('::129.144.52.38','ipv6') from dual;
{14}
select isValid('::FFFF:d','ipv6') from dual;
{15}
select isValid('1080:0:0:0:8:800:200C:417A','ipv6') from dual;
{These 4 should NOT be valid/match}
{16}
select isValid('::FFFF:d.d.d','ipv6') from dual;
{17}
select isValid('::FFFF:d.d','ipv6') from dual;
{18}
select isValid('::d.d.d','ipv6') from dual;
{19}
select isValid('::d.d','ipv6') from dual;
有人告诉我,试验#6错了,ABCD:ABCD:ABCD:ABCD:ABCD:ABCD:192.168.158.190
是不是一个有效的IPv6地址,是正确的?
测试用例8-11来自这里:http://publib.boulder.ibm.com/infocenter/iseries/v5r3/index.jsp?topic=%2Frzai2%2Frzai2ipv6addrformat.htm但我被告知10 & 11已不再使用。
从XML正则表达式改性不幸的是,Oracle支持仅正则表达式语言的狭窄部分。您的正则表达式在Oracle中不起作用。 –
第二次,测试用例6无效。 10和11也不是。 –
是的,我知道。它也在下面提到。我会更新这个问题,以免混淆。这个被接受的答案是迄今为止我发现的最好答案。然而@nhahtdh不同意你关于项目#6的格式。 – gfrobenius