1. 匹配IP地址,包括CIDR:
    ^([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5]).([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5]).([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5]).([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])/([0-9]$|[0-2][0-9]|3[0-2])$
  2. 匹配 bilibili 手机客户端分享出来的 b23 链接
    (https|http)://b23.tv/[a-zA-Z0-9]*
  3. 匹配 bilibili 视频/up主空间/专栏链接
    (https|http)://www.bilibili.com/video/BV[a-zA-Z0-9]*
    (https|http)://space.bilibili.com/[0-9]*
    (https|http)://(www.)?bilibili.com/read/mobile/[0-9]*
  4. 匹配带参数的 Twitter po 文链接
    (https|http)?(://)?twitter.com/[a-zA-Z0-9_]*/status/[0-9]*\??((([a-zA-Z0-9_]*=[a-zA-Z0-9_]*)&?)+([a-zA-Z0-9_]*=[a-zA-Z0-9_]*))?