Valid URLs

[soft2050]

Try this now:

<?php
function addnvalidateurls($url){
// Modified By: Soft2050
if (!preg_match("@^[hf]tt?ps?://@", $url)) {
        $url = "http://" . $url;
}
$pattern = '@((https?://)?([-\w]+\.[-\w\.]+)+\w(:\d+)?(/([-\w/_\.]*(\?\S+)?)?)*)@';
return preg_match($pattern, $url);
} 

$result = addnvalidateurls('google.com');
echo '<script language="javascript">';
if ($result == 1)
echo "alert('Yes! The given url is validated')";
else {
echo "alert('No! the given url seems to be not working')";
}
echo '</script>';
?>

Regex Code: http://snipplr.com/view/36992/improv...on-with-regex/

Or have a search for some premade regex using google or you can code yourself if you are good at it