javascript 邮箱正则表达式

javascript 邮箱正则表达式

if(document.formReg.email.value.length!=0){

if(document.formReg.email.value.charAt(0)

=="."||document.formReg.email.value.charAt=="@"||document.formReg.email.value.indexOf('@',0)==-

1||document.formReg.email.value.indexOf('.',0)==-1||document.formReg.email.value.lastIndexOf("@")

==document.formReg.email.value.length-1||

document.formReg.email.value.lastIndexOf(".")==document.formReg.email.value.length-1

) 

{

alert("邮箱地址不正确!");

document.formReg.email.focus();

return false;

}

}

else{

alert("邮箱不能为空!");

document.formReg.email.focus();

return false;

}

猜你喜欢