正则表达式验证邮箱

/^(([^<>()[].,;:s@"]+(.[^<>()[].,;:s@"]+)*)|(".+"))@(([^<>()[].,;:s@"]+.)+[^<>()[].,;:s@"]{2,})$/i

歪果仁写的比国内的好使

https://stackoverflow.com/questions/46155/how-to-validate-an-email-address-in-javascript