The true delight is in the finding out rather than in the knowing. — Isaac Asimov

 
function transform(text) {
 
 text=text.replace(/é/gi,"e");
 text=text.replace(/(\bla\b)|(\ble\b)|(\bles\b)|(\bde\b)|(\bdes\b)|(\bdu\b)|(\ba\b)|(l')|(d')/gi,"");
 text=text.replace(/\//gi," ");
 
 return text;
}