Email Validate – javascript

Email 정규식으로 체크


function validEmail(resData, focus){
	var regex=/^([\w-]+(?:\.[\w-]+)*)@@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-zA-Z]{2,6}(?:\.[a-zA-Z]{2})?)$/;

	if (!regex.test(resData)){
		alert("이메일을 정확히 입력해 주세요.");
		jQuery("#"+focus).focus();
		return false;
	}
	return true;
}

function validEmail(resData, focus){

var regex=/^([\w-]+(?:\.[\w-]+)*)@@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-zA-Z]{2,6}(?:\.[a-zA-Z]{2})?)$/;

if (!regex.test(resData)){

alert("이메일을 정확히 입력해 주세요.");

jQuery("#"+focus).focus();

return false;

}

return true;

}


<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>
function validEmail(resData, focus){
	var regex=/^([\w-]+(?:\.[\w-]+)*)@@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-zA-Z]{2,6}(?:\.[a-zA-Z]{2})?)$/;

	if (!regex.test(resData)){
		alert("이메일을 정확히 입력해 주세요.");
		jQuery("#"+focus).focus();
		return false;
	}
	return true;
}
</script>

<input type="text" value="mail@mail.com.com" id="input01" onKeyUp="validEmail(this.value, 'input01');" />