validate phone number javascript code example
Example 1: js regex validate phone number
My regex of choice is:
/^[\+]?[(]?[0-9]{3}[)]?[-\s\.]?[0-9]{3}[-\s\.]?[0-9]{4,6}$/im
Valid formats:
(123) 456-7890
(123)456-7890
123-456-7890
123.456.7890
1234567890
+31636363634
075-63546725
Example 2: mobile number validation in javascript
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<form method="post" action="">
Email:<input type="text" id="number" onkeyup="validation()">
</form>
</body>
<script type="text/javascript">
function validation(){
var number=document.getElementById("number").value;
var numberpattern=/^\+?([0-9]{2})\)?[-. ]?([0-9]{4})[-. ]?([0-9]{4})$/;
if(numberpattern.test(number))
{
document.getElementById("number").style.backgroundColor='yellow';
}
else
{
document.getElementById("number").style.backgroundColor='red';
}
}
</script>
</html>
Example 3: js validate phone number
/^[\+]?[(]?[0-9]{3}[)]?[-\s\.]?[0-9]{3}[-\s\.]?[0-9]{4,6}$/im