- preg_match: documentation ( source)
- preg_replace: documentation ( source)
<?php
$text = "demo link edno www.abv.bg link 2 http://abv123.bg/";
$reg_exUrl = "/((http|https|ftp|ftps)\:\/\/|(www)\.)[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/";
if(preg_match($reg_exUrl, $text, $url)) {
$text = preg_replace($reg_exUrl, '<a href="'.$url[0].'" target="_blank">'.$url[0].'</a> ', $text);
}
echo $text;