URL validation by Regular Expression
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<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.navioo.com" size="30"> <input type="submit" value="Validate"> </form> </body> </html>
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HTML code for linking to this page:
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