JavaScript

<script type="text/javascript">
        function testFormat(v) {
            var re = new RegExp(/^(1[0-2]|0[1-9])[/]{1}([2-9]\d[1-9]\d|[1-9]\d)$/);
            if (v.match(re)) { alert('ok'); } else { alert('oops'); }
        }
    </script>

<script type="text/javascript">
            function testFormat(v) {
                var re = new RegExp(/^(1[0-2]|0[1-9])[/]{1}(\d{4})$/);
                if (v.match(re)) { alert('ok'); } else { alert('oops'); }
            }

    </script>

Wombaticus wrote:

resuilt of some Nazi 'experiments'

var re = new RegExp("^([1-9]|1[0-2]|0[1-9])/(\d{4})$");

^([1-9]|1[0-2]|0[1-9])/(d{4})$

var re = new RegExp("^([1-9]|1[0-2]|0[1-9])/(\\d{4})$");

var re = /^([1-9]|1[0-2]|0[1-9])\/(\d{4})$/;

var ServiceUrl = function() {
  var src = document.currentScript.src;
  var idx = src.indexOf("/scripts");
  if (idx > 0) 
    src = src.substring(0, idx);
  else
    src = "";
  return src;
}();

if (!getServiceUrl) {
  function getServiceUrl() {
    return ServiceUrl;
  }
}

//------------------------
//use for asyn or sync load javascript file on demand.
if (typeof (include) == "undefined") {
  function include(url, type, cb, asIs) {
    asIs = asIs || false;
    cb = cb || null;
    if (!url) {
      console.log("No file specified to be loaded.");
      return;
    }
    if (!asIs)
      url = getServiceUrl() + url;

    var alreadyLoaded = false;
    // Adding the script tag to the head as suggested before
    if (type.indexOf("javascript") > 0) {
      var sc = document.scripts;
      var scExists = false;
      for (var i = 0, len = sc.length; i < len; i++) {
        //<script src="url"></script>
        var src = /src="(.*?)"/.exec(sc[i].outerHTML);
        if (src && src.length > 0) {
          if (src[1] == url) {
            scExists = true;
            break;
          }
        }
      }
      if (!scExists) {
        var el = document.createElement('script');
        el.type = type;
        el.src = url;
      }
      else
        alreadyLoaded = true;
    }
    else {
      var ss = document.styleSheets;
      var cssExists = false;
      for (var i = 0, max = ss.length; i < max; i++) {
        if (ss[i].href == url) {
          cssExists = true;
          break;
        }
      }

      if (!cssExists) {
        var el = document.createElement("link");
        el.href = url;
        el.type = type;
        el.rel = "stylesheet";
      }
      else
        alreadyLoaded = true;
    }

    if (el) {
      // Then bind the event to the callback function.
      // There are several events for cross browser compatibility.
      if (typeof (cb) == "function") {
        el.onload = cb;
      }

      // Fire the loading
      var head = document.getElementsByTagName('head')[0];
      head.appendChild(el);
    }

    if (alreadyLoaded) {
      if (typeof (cb) == "function") {
        cb();
      }
    }
  }
};

var url_to_open = BaseUrl + "?_encryptedMessage=" + yourEncryptedMessage;
window.open(url_to_open);