Regular Expressions 101

Get itunes id from url

Someone on IRC posted the following site: https://mathiasbynens.be/demo/url-regex which challgenged me to write a decent regex to match valid URLs in that list. This regex works in both pcre and javascript (you'll have to replace the pcre-specific syntax to make it work in JS). Don't actually use t...

This will validate whether you starts with http(s)://

Validates a URL input as text and then slices it into: protocol, base_url, port, relative_url and parameters. (Multiline and global flags are set for debugging reasons only)

gets the ://:/ from am url

extract the path from a URL returns one group (if matching) with the path info e.g. http://somedomain.com/some-page/ http://www.domain.com:8080/some-page/ https://www.google.com:8080/some-page/...

This matches a ASP Cookieless SessionId. Useful if, for example, after deprecating Cookieless sessions you want to redirect any clients with a cached sessionId to the plain url.

preg_math_all only. ex.: http://doman.com, http://doman.com/, http://doman.com/?query=1,http://doman.com?query=1, domain.com, doman.com?query=1 and other

a simple url regex which prevents matching of a trailing ">" (the html representation of a closeing angle bracket ">")

simple url regex which also prevents capture of a trailing ">" (the html representation of ">")

Gets all parts of URL including port, username, password, fragment, query, and path

tests to find if ("google.com") is the domain part of the URL

any more? tell me by email.