Regular Expressions 101

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Regular Expression
PCRE (PHP <7.3)

^(?#protocol)(?<protocol>(?:ht|f)tps?)\:(?:\/\/)?(?#user/password)(?:(?<user>\S+?)(?::(?<password>\S+))?@)?(?#domaine)(?<domain>(?:(?:[a-z\x{00a1}-\x{ffff}0-9-]++\.)+(?#top_level_domain)(?<top_level_domain>[a-z\x{00a1}-\x{ffff}]{2,}))|(?<ip>(?:1?\d{1,2}|2[0-4]\d|25[0-5])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){3}))(?#port)(?::(?<port>\d{1,5}))?(?#directory)(?<directory>\/(?:[^?#\s])*)?(?#query)(?:\?(?<query>[^#\s]*))?(?#anchor)(?:#(?<anchor>[^\s]*))?$

guim

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Description

Parse a URL and return its components

From http://userid:password@example.com/file1/file2?test=1&test=2#here you will get:

Full match = http://userid:password@example.com/file1/file2?test=1&test=2#here
Group protocol = http
Group user = userid
Group password = password
Group domain = example.com
Group top_level_domain = com
Group directory = /file1/file2
Group query = test=1&test=2
Group anchor = here

Submitted by Gilles Marchand - 9 years ago