Javascript function to strip user ID from URL

Question

i need a javascript function to strip the user ID from a given URL. for example. i have this URL http://www.example.com/member.php?id=100001877097904 how can i retrieve the ID of the user from that URL? Thanks in advance.

Answer 1

function getParameterByName(url, name)
{
  name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
  var regexS = "[\\?&]" + name + "=([^&#]*)";
  var regex = new RegExp(regexS);
  var results = regex.exec(url);
  if(results == null)
    return "";
  else
    return decodeURIComponent(results[1].replace(/\+/g, " "));
}