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How to validate phone number in php procedural programming

<?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.\";
}
?>

Source: blog.udemy.com

How to validate phone number in php procedural programming

if(empty($name) && empty($number) && empty($email))
{
echo "All fields are compulsory"
}

Source: blog.udemy.com

How to validate phone number in php procedural programming

if((preg_match("/[^0-9]/", '', $str)) && strlen($str) == 10)
{
echo "Invalid phone number
}

Source: blog.udemy.com

How to validate phone number in php procedural programming

<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>

Source: blog.udemy.com

How to validate phone number in php procedural programming

if (preg_match("/^[a-z0-9_]+$/i", $name) )
{
return true;
}
else
{
echo "Enter valid username"
}

Source: blog.udemy.com

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