Regular Expressions 101

split URL in protokoll, domain, file(with path), parameter and anker

A solution for capture set/unset/catch a value of param query of URLs. Here is a example code that applies this pattern in JS, but JS doesn't have support to lookbehind.

regex to valid a complete URL including querystring and URI encoded characters

When you need to get parts of your URL nicely.

Extracts the database name of an PostgreSQL JDBC connection url

Find Youtube ID from link, url or Youtube embed code

Validates everywhere.

Matches the protocol (http/https) if available and full domain name.

Doit matcher : => "http://" et "https://" => suivi d'un nom de domaine libre => "www." est optionnel => domaine peut contenir [a-zA-Z0-9] et "-" mais pas en 1ère ou en dernière place => suivi d'un "/module" optionnel...

simple url to web site match (es6)

The beginning of a line, followed by 0 or more whitespace characters,\r\n\t\f\v ] followed by the end of a line. SOURCE: [https://stackoverflow.com/a/114861

Uses a list of anchor tags, perhaps embedded in other tags Allows for any, or no text between the "<a" and the "href"