if((preg_match("/[^0-9]/", '', $str)) && strlen($str) == 10)
{
echo "Invalid phone number
}<?php
if(isset($_POST['submit'])) {
//include validation class
//assign post data to variables
$name = trim($_POST['name']); // Storing username
$email = trim($_POST['email']); // Storing email address
$number= trim($_POST['number']); // storing the phone number
}
?><html>
<head>
<title>Validation Form</title>
</head>
<body>
<form id="contact_form" method="post" action="."> <br />
Label <input type="text" name="name" class="textfield" value="" /> <br />
Email <input type="text" name="email" class="textfield" value="" /> <br />
Phone Number <input type="text" name="number" class="textfield" value="" /> <br />
<p><input type="submit" name="submit" class="button" value="Submit" /></p>
</form>
</body>
</html><?php
$reg = '/^[_a-z0-9-]+(.[_a-z0-9-]+)*@[a-z0-9-]+(.[a-z0-9-]+)*(.[a-z]{2,3})$/';
if (preg_match($reg, $email)) {
echo $email . " Email Id is accepted.";
} else {
echo $email . "Invalid Email ID.";
}
?>if(strlen($name) >=5 && strlen($name)<=10)if (preg_match("/^[a-z0-9_]+$/i", $name) )
{
return true;
}
else
{
echo "Enter valid username"
}if(empty($name) && empty($number) && empty($email))
{
echo "All fields are compulsory"
}<?php
echo '<p>Hello I am PHP</p>';
?>