I have a form and I got a question. I have a place where users type their email. Anyone I can make it so that there has to be a @ sign?

Thanks.

Two Text box? [ textbox1] @ [textbox2] ?

But I don't think you users mind to type the @ sign.

assume $email is the email posted to the form.

if (preg_match('/^[A-z0-9_\-]+\@([A-z0-9_-]+\.)+[A-z]{2,4}$/',$email)) {
//email is a valid email
} else {
//email is invalid
}

I would use javacript to check if the mail is correct.

this is an easy way to check it. I hope you can use it.

I don't recommend to use PHP because the validation use time in the server, it's better just send validate datas.

function mail(){

if( Form.mail.value.indexOf('@')==-1){
alert("An error in your mail");
return (false);
}
return true;
}

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