Multi tool use

Regex to find URL including those that simply start with // (Protocol-relative URLs)

This Regex finds URLs that begin with http and https

http

https

https?://(www.)?[-a-zA-Z0-9@:%._+~#=]{2,256}.[a-z]{2,6}b([-a-zA-Z0-9@:%_+.~#?&//=]*)


I am trying to figure out how to modify this to including those URLs which omit the http or https part. I understand that these are called 'Protocol-relative URLs'

http

https

example: //example.com and not http://example.com

//example.com

http://example.com

1 Answer
1

Simply make the protocol part optional:

(https?:)?(//)?(www.)?[-a-zA-Z0-9@:%._+~#=]{2,256}.[a-z]{2,6}b([-a-zA-Z0-9@:%_+.~#?&//=]*)


By the way I assume you really wanted example.com and not //example.com (since no one writes a URL that way).

example.com

//example.com

//

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