rem: var re = /^[0-9a-zA-Z_]+$/; 
add: var re = /^[.0-9a-zA-Z_-]+$/; 
context: function isValidUsername(elem) {  var str = elem.value;  var re = /^[0-9a-zA-Z_]+$/;  if (!str.match(re)) {	focusElement(elem.form.name, elem.name);	return false;  } else {	return true;  }}
meta: 6169	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/6169/c1b8f007039fed76c74f2c36eb07c3c3c4870ee8/formutils.js/buggy/wifidog/js/formutils.js