This method use a regular expression :
function VerifMail(mail)
{
var reg = new RegExp('^[a-z0-9]+([_|\.|-]{1}[a-z0-9]+)*@[a-z0-9]+([_|\.|-]{1}[a-z0-9]+)*[\.]{1}[a-z]{2,6}, 'i');
if(reg.test(mail))
return true;
else
return false;
}
This method use a regular expression :
function VerifMail(mail)
{
var reg = new RegExp('^[a-z0-9]+([_|\.|-]{1}[a-z0-9]+)*@[a-z0-9]+([_|\.|-]{1}[a-z0-9]+)*[\.]{1}[a-z]{2,6}, 'i');
if(reg.test(mail))
return true;
else
return false;
}