CodesJava

Easy learning with example program codes

phone number validation JavaScript JS

Phone number validation in JavaScript is used to make sure that all the number entered in the specified phone number field should be a valid phone number

Regular Expression:

/^\+(?:[0-9] ?){6,14}[0-9]$/

Example

<!DOCTYPE html>
<html lang="en">
<head>
<script> 
function phoneNumberCheck(phoneNumber)
{
   var regEx = ^\+{0,2}([\-\. ])?(\(?\d{0,3}\))?([\-\. ])?\(?\d{0,3}\)?([\-\. ])?\d{3}([\-\. ])?\d{4};
   if(phoneNumber.value.match(regEx))
     {
      return true;
     }
   else
     {
     alert("Please enter a valid phone number.");
     return false;
     }
}    
</script> 
</head>
<body>
<div class="mail">
<h2>JavaScript Phone Number Validation</h2>
<form name="form1" action="#"> 
Phone Number: <input type='text' name='phone'/></br></br>
<input type="submit" name="submit" value="Submit" 
onclick="phoneNumberCheck(document.form1.phone)"/>
</form>
</div>
</body>
</html>
Please follow and like us:
error








Copyright © 2019 CodesJava DMCA.com Protection Status