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check if string contains numbers and letters javascript

(javascript check string contains numbers)

- JAVASCRIPT

 viewed 15

Comment:
JAVASCRIPT

<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
</head>
<body >

<script>

var str = "I am years old!";
if (str.match(/^(?=.*[a-zA-Z])(?=.*[0-9])/)) {
$("body").text("it is ok");
}
else
{
$("body").text("Please type numeric and alphabetic characters");
}

</script>
</body>
</html>


    

   
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