URL validation by Regular Expression : URL Validation « Network « PHP






  1. PHP
  2. Network
  3. URL Validation

URL validation by Regular Expression

<html>
<body>
<?php
if (isset($_POST['posted'])) {
   $url = $_POST['url'];
   $theresults = ereg("^[a-zA-Z0-9]+://[^ ]+$", $url, $trashed);
   if ($theresults) {
      $isamatch = "Valid";
   } else {
      $isamatch = "Invalid";
   }
   echo "URL validation says $url is " . $isamatch;
}
?>
<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="POST">
<input type="hidden" name="posted" value="true">
Enter your URL for validation:
<input type="text" name="url" value="http://www.java2s.com" size="30">
<input type="submit" value="Validate">
</form>
</body>
</html>








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