[PHP] pobierz, plaintext 
var url = prompt("Podaj Link z Youtube", "http://");
		text.value += "[youtube]" + url + "[/youtube]";
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
var matched = /([0-9_-a-zA-Z]+){11}/i.exec(url);
[PHP] pobierz, plaintext 

[JAVASCRIPT] pobierz, plaintext 
<script>
 var www = "http://www.youtube.com/watch?v=-bbQUDFkdsU";
 var test = /v=([0-9_\-a-zA-Z]{11})/.exec( www );
 alert( test[1] );
</script>
[JAVASCRIPT] pobierz, plaintext