1 function validEmail(fieldname,fielddesc){ 2 var value = $.trim($("#key_"+fieldname).val()); 3 var text = /^(?:\w+\.?)*\w+@(?:\w+\.)*\w+$/; 4 var flag = text.test(value); 5 if(!flag) { 6 alert("【"+fielddesc+"】电子邮箱输入不正确"); 7 return -1; 8 } 9 else 10 return 0; 11 }