Regular Expressions 101

Port https://regex101.com/library/cX0pJ8 to PCRE2 (PHP >= 7.3)

Detects any Grabify IP tracker links

Convert a bare url into organization/repo format in a Markdown link.

Validate an URL input.

Extract parts of a URL on Python

Finds all external resources declared as url() in styles. Handles different quote types if any, even escaped ones: url(...) url('...') url("...") url(\'...\') url(\"...\")

Matches protocol, domain, port, path, query and anchor as named capturing groups.

A simple URL regex that can handle most "properly" formed URLs, and some URIs. It features named groups to easily destruct matches. URIs can use relative paths (../ and ./) to resources. Example (JavaScript) let url = "https://username:password@example.org:8080/path/to/resource?query=term&query=ter...

A regular expression for extracting the author, repository name, and optional branch from a GitHub repository or tree URL. Handles both HTTP(S) and direct GitHub links.

I had to check for myself, but I thought, suddenly someone also come to someone later =)

https://www.google.com http://www.google.net/hello https://www.google. http://www.google./hello above url matching with given regex...

Parses a URL to the different parts

Parse an SFTP or FTP url and brak it into named capture groups.

Gets the parameters (how many you want) from a url and organize into groups

Matches a 4chan thread URL, see the examples

supported youtube, vimeo, face liveleak, break, ebaums, facebook support url and iframes

Adopted one of answers from: http://stackoverflow.com/questions/5948051/regex-extract-twitterusername-from-url