Javascript Validation for email(正则表达式) 英文翻译

Try testing the following form with valid and invalid email addresses. The code uses javascript to match the users input with a regular expression. 函数代码： 代码如下: function validate(form_id,email) { var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/; var address = document.forms[fo