var reg = new RegExp("\w*\s*\w*", "gmi");

var searchElem;
var textNodes;

searchElem = 'mooo hhhh';

if(!searchElem) {
	alert('No searchElem');
	return;
} else {
	alert('Some searchElem');
}

if (reg.exec(searchElem))
  alert(searchElem + " is a valid e-mail address!")
else
  alert(searchElem + " is an invalid e-mail address!");

return;