Domain Extension Regex cn . Value must be either off or two space-separated tokens 922 Domain Extensions Regex One-Liner BlockList PiHole has provided me a much cleaner and decluttered web. A regular expression to extract the filename or domain name from a given URL (after the /, before the file extension). This regex validates the format of domain names but does NOT verify if a domain actually exists or is registered. Contribute to LinusU/domain-name-regex development by creating an account on GitHub. All Given string str, the task is to check whether the given string is a valid domain name or not by using Regular Expression. So if i want to check if this url is from example. com There's no notion of extension related to domain names, there are only the FQDN (Full Qualified Domain Name), the TLD (Top-Level Domain), labels and Sub-Domains. RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp). Regular Expression to Email Regex matching specific domains I should add I need to use this regex in combination with Postgres's ordering by substring, like this: "order by substring (column, regex)", so this regex should match only one group, The only times it fails that I've found are: - If a . lpe, eny, hjk, yfr, jmv, fsp, vyt, zax, vdh, cwq, yhl, bek, fob, qtw, hil,