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Matches valid internet-routable IPv4 addresses (Not RFC1918, RFC5735, RFC3927) with optional port delimited by colon. I wrote this specifically for Snort rules that look for hardcoded IPv4 addresses in the HTTP Host header field, but I imagine this may have its uses aside from that. This would hav...

test

Match everything between 2 strings - Including the strings and white space and new lines

extract url from a text where URL is in the end of the string

Extract an URL from a text / String. This one will extract multiple instances

Series [Episode] - Tit;e - Author

This regex will match on Base64 strings (not hard-wrapped). It was designed to match on a string that is MOD4 with appropriate padding. Keep in mind, this is very basic. You will likely need to add before and after anchors to meet your needs.