Identifying if a URL is present in a string

Question

Hi can someone help me identify if a url is present in a string using PHP?

I want to pull in a full string i.e. \"Hi please visit http://domain.com/12345 today\" and str

Answer 1

here's an example

$str = file_get_contents('http://www.sitepoint.com');

preg_match_all('~(https?://([-\w\.]+)+(:\d+)?(/([\w/_\.]*(\?\S+)?)?)?)~', $str, $matches);

print_r($matches);