PHP IPV6正则表达式验证代码

复制代码 代码如下:<?php // literally from the ABNF in rfc3986 (thanks to ‘WCP’) function validateIPv6($IP) { return preg_match(‘/\A (?: (?: (?:[a-f0-9]{1,4}:){6} ::(?:[a-f0-9]{1,4}:){5} (?:[a-f0-9]{1,4})?::(?:[a-f0-9]{1,4}:){4} (?:(?:[a-f0-9]{1,4}:){0,1}[a-f0-9]{1,4})?::(?:[a-f0-9]{1,4}:){3} (?:(?:[a-f0-