Parse and split in groups URL parts https://www.pnukee.com.br:443/user/1?v=1#id Group 0 = Full entry (https://pnukee.com.br:80/user/1?v=1#id) Group 1 = Protocol = (http:// or https://)...

Extracting from page if a contributor is associated and if it is linked

The BNF rules from RFC 5322 transformed to PCRE by Nikita Popov and described in the post http://nikic.github.io/2012/06/15/The-true-power-of-regular-expressions.html.

Expression to locate AEVA Forum (http://forums.aeva.asn.au) internal links as part of a conversion process from WebWiz to phpBB This expression is currently working in this regex-tester, including picking up relative URLs Now excludes enclosing quotes for relative URLs ...

Heavily inpired by https://stackoverflow.com/questions/6038061/regular-expression-to-find-urls-within-a-string