Regular Expressions 101

This is a JavaScript port of the URL regex from http://stackoverflow.com/a/190405/384062 that includes a bug fix and some optimization. Mathias Bynens's Regenerate was used to convert unicode escapes. Bug fix: Eliminated stray | falsely allowing querystring to contain | ...

extract video id, index, play list id from youtube url

extract video id, index, play list id from youtube URL

general purpose HTTP URL regex

Extract resource location, name and query parameters from a URL (JavaScript version)

I use this to match the first url present in a text message.

supports all major protocols

Includes resource strings, taken from here: https://gist.github.com/dperini/729294

http://some.url/to.file [!css|name]http://some.url/to.file [!css] http://some.url/to.file ...

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

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...

It gets the playlistID and the videoID to conform the embed URL from the video URL

Validate an url with hostname or ip and port. Furthermore provides: the entire url the protocol the hostname/ip the port...

Validates most types of URL's and IP addresses. NOTICE! remove "?" after first non-capturing group to forse check protocol.

Validate an URL input.

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.

Not perfect, but better than none.