$p = '^(http(s)?|ftp)://([a-z0-9_-]+.)+([a-z]{2,}){1}((:|/)(.*))?$'; //URL PATTERN

$str = 'Go to http://wcetdesigns.com'; //STRING TO SEARCH FOR URLS
$w = explode(" ", $str); //SPLITS STRING WITH SPACES TO ISOLATE URLS

foreach($w as $s)
{
if(eregi($p, $s)) //(eregi: not case-sensitive) IF TEXT MATCHES PATTERN...
{
$t .= '<a href="'.$s.'" target="newTab">'.$s.'</a> '; //ADDS THE "<a>" TAG WHEN TEXT MATCHES PATTERN
}
{
$t .= $s.' '; //SHOWS AS REGULAR TEXT
}
}

echo $t; //DISPLAYS PROCESSED STRING

$(function(){ var p = /^(http(s)?|ftp)://([a-z0-9_-]+.)+([a-z]{2,}){1}((:|/)(.*))?$/i;
var str = 'Go to http://wcetdesigns.com'; //STRING TO SEARCH FOR URLS
var w = str.split(" "); //SPLITS STRING WITH SPACES TO ISOLATE URLS
var t = ''; //NULL VARIABLE UNTIL INSIDE "FOR LOOP"

for(i=0; i<w.length; i++){
if(w[i].match(p)) //IF TEXT MATCHES PATTERN...
{
t += '<a href="'+w[i]+'" target="newTab">'+w[i]+'</a> '; //ADDS THE "<a>" TAG WHEN TEXT MATCHES PATTERN
}
{
t += w[i]+' '; //SHOWS AS REGULAR TEXT
}
}
$("#string").html(t); //DISPLAYS PROCESSED STRING
});

function detect_url(){ var p = /^(http(s)?|ftp)://([a-z0-9_-]+.)+([a-z]{2,}){1}(:|/(.*))?$/i;
var str = 'Go to http://wcetdesigns.com'; //STRING TO SEARCH FOR URLS
var w = str.split(" "); //SPLITS STRING WITH SPACES TO ISOLATE URLS
var t = ''; //NULL VARIABLE UNTIL INSIDE "FOR LOOP"

for(i=0; i<w.length; i++){
if(w[i].match(p)) //IF TEXT MATCHES PATTERN...
{
t += '<a href="'+w[i]+'" target="newTab">'+w[i]+'</a> '; //ADDS THE "<a>" TAG WHEN TEXT MATCHES PATTERN
}
{
t += w[i]+' '; //SHOWS AS REGULAR TEXT
}
}
document.getElementById("string").innerHTML = t; //DISPLAYS PROCESSED STRING
}