<script>
function checkForm(){
var email=document.emailform.email.value;
var pattern=/^([a-zA-Z0-9])+@([a-zA-Z0-9])+\.([a-zA-Z0-9])+/;
flag=pattern.test(email);
if(flag)
{
return ture;
}
else{
alert('不是合法的郵件格式!');
document.emailform.email.focus();
return false;
}
}
</script>
function checkForm(){
var email=document.emailform.email.value;
var pattern=/^([a-zA-Z0-9])+@([a-zA-Z0-9])+\.([a-zA-Z0-9])+/;
flag=pattern.test(email);
if(flag)
{
return ture;
}
else{
alert('不是合法的郵件格式!');
document.emailform.email.focus();
return false;
}
}
</script>
function checkForm(){
var s = document.emailform.email.value;
s = s.replace(/@/ig, "@");
if (s.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1) return true;
else{
alert('不是合法的郵件格式!');
document.emailform.email.focus();
return false;
}
}
</script>
if ((!emailReg.test(document.form1.email.value))&&(document.form1.email.value!=''))
{
window.alert ('email的格式不正确');
document.form1.email.focus();
return false;
}
function isEmail(s){
s = trim(s);
var p = /^[_\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\.){1,4}[a-z]{2,3}$/i;
return p.test(s);
}