JS检测

function chkuname(uname){
  var filter=/^\s*[.A-Za-z0-9_-]{3,15}\s*$/;
  if (!filter.test(uname)) {
    return false;
  }
  return true;
}
function chkemail(strEmail) {
  if (strEmail.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
    return true;
  else
    return false;
}