regex for extracting all urls from string

Question

I'm trying to extract URL from a piece of string I have different posts that contains URL in their message. I've prepared a pattern to match but it's not working properly.

Tried Regex

$pattern1= '%\b((https?://)|(www\.)|(^[\D]+\.))[^,\s()<>]+(?:\([\w\d]+\)|([^,[:punct:]\s]|/))%';
$pattern2= '%\b^((https?://)|(www\.)|(^[a-z]+\.))([a-z0-9-].?)+(:[0-9]+)?(/.*)?$%';

CODE

for ( $i = 0; $i < $resultcount; $i ++ ) {
    $pattern = '%\b^((https?://)|(www\.)|(^[a-z]+\.))([a-z0-9-].?)+(:[0-9]+)?(/.*)?$%';
    $message = (string)$result[$i]['message'];
    preg_match_all($pattern,$message,$match);
    print_r($match);
    }

A Example of my post like this

"This is just a post to test regex for extracting URL http://google.com, https://www.youtube.com/watch?v=dlw32af https://instagram.com/oscar/ en.wikipedia.org"

Post may have comma or may not have comma for multiple URLs

Thank you people :)

Jan · Accepted Answer · 2018-01-11 07:56:07Z

7

This should get you started:

\b(?:https?://)?(?:(?i:[a-z]+\.)+)[^\s,]+\b

Broken down, this says:

\b                   # a word boundary
(?:https?://)?       # http:// or https://, optional
(?:(?i:[a-z]+\.)+)   # any subdomain before
[^\s,]+              # neither whitespace nor comma
\b                   # another word boundary

See a demo on regex101.com.

edited Jan 11, 2018 at 7:56

answered Jan 11, 2018 at 7:40

Jan

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3 Comments

Mr. Pyramid Over a year ago

hey thanks but I need to extract all URLs mentioned.. Could help me for this?

Mr. Pyramid Over a year ago

yeah it's works like charm but if the urls has ',' then it's taking all urls into one any fix for comma separated urls?

Jan Over a year ago

@Mr.Pyramid: Check the newly updated answer - please put your requirements more clearly in the first place :) regex101.com/r/9hhKLS/3

Usman · Accepted Answer · 2018-01-11 07:49:22Z

0

First I am analyse some URL of wikipedia which is clearly show in attach screenshot then write regex !

https:\/\/en.wikipedia.org\/wiki\/(.*)

answered Jan 11, 2018 at 7:49

Usman

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