Extract URLs from text in PHP

Question

I have this text:

$string = \"this is my friend\'s website http://example.com I think it is coll\";

How can I extract the link into another

Answer 1

preg_match_all ("/a[\s]+[^>]*?href[\s]?=[\s\"\']+".
                "(.*?)[\"\']+.*?>"."([^<]+|.*?)?<\/a>/",
                $var, &$matches);

$matches = $matches[1];
$list = array();

foreach($matches as $var)
{    
    print($var."
");
}