Regular Expressions 101

Community Patterns

URL-http(s)

1

Regular Expression
PCRE (PHP <7.3)

/
(https?:\/\/(?:[[:alnum:]]+\.)?[[:alnum:]]+\.com)(\/\S*)
/
g

Description

Tests for valid http or https protocol URL. *2 groups- one for protocol,domain, and any subdomains; and one for path, query, params, and fragments(if any.

The following WILL match: http://foo.com/blah_blah http://foo.com/blah_blah/ http://foo.com/blah_blah_(wikipedia) http://foo.com/blah_blah_(wikipedia)_(again) http://www.example.com/wpstyle/?p=364 https://www.example.com/foo/?bar=baz&inga=42&quux

The following WILL NOT match: http://✪df.ws/123 http://userid:password@example.com:8080 http://userid:password@example.com:8080/ http://userid@example.com http://userid@example.com/ http://userid@example.com:8080 http://مثال.إختبار http://例子.测试 http://उदाहरण.परीक्षा http://-.~_!$&'()*+,;=:%40:80%2f::::::@example.com http://1337.net http://a.b-c.de http://223.255.255.254

The following SHOULD NOT and DO NOT match: http:// http://. http://.. http://../ http://? http://?? http://??/ http://# http://## http://##/ http://foo.bar?q=Spaces should be encoded // //a ///a /// http:///a foo.com rdar://1234 h://test http:// shouldfail.com :// should fail http://foo.bar/foo(bar)baz quux ftps://foo.bar/ http://-error-.invalid/ http://a.b--c.de/ http://-a.b.co http://a.b-.co http://0.0.0.0 http://10.1.1.0 http://10.1.1.255 http://224.1.1.1 http://1.1.1.1.1 http://123.123.123 http://3628126748 http://.www.foo.bar/ http://www.foo.bar./ http://.www.foo.bar./ http://10.1.1.1

I only needed http and https; however others could be added.

Submitted by Brennan - 8 years ago