function _vote_storylink_valid_url in Vote Up/Down 5

Validate the URL.

File

./vote_storylink.module, line 538

Code

function _vote_storylink_valid_url($formelement, $fieldname) {
  $url = $formelement['#value'];
  if (!preg_match('/^(http|https):\\/\\/[a-z0-9]+([\\-\\.]{1,2}[a-z0-9]+)*\\.[a-z]{2,6}((:[0-9]{1,5})?\\/.*)?$/i', $url)) {
    form_set_error($fieldname, t('The URL is not valid.'));
  }
}