codice:
<script language="javascript">
<!-- 
function submitIt(Form){

var RegExp_cognome = new RegExp(/$[A-Z\']{2,}?( [A-Z]{2,}?)*?( [A-Z][a-z]+?)+$/);

  
  if (!RegExp_cognome.test(cognome)) {
  
    alert("Sintassi non valida");
    document.Form.cognome.focus();
    return false;
  }
  
    
 
  return true;
}

//-->
</script>