// JavaScript Document

function verif_adresse_email(adresse) {
  //var emailexp = /^[a-z][a-z-_0-9\.]+@[a-z0-9-]+\.?[a-z0-9-]+\.[a-z]{2,3}$/i;
  var emailexp = /^[a-z0-9]+([-._][a-z0-9]+)*@[a-z0-9]+([-.][a-z0-9]+)*\.[a-z]{2,4}$/i;
  if (!emailexp.test(adresse)) {
    return false;
  }
  return true;
}