Trim url from a Drupal preprocess field

trim_url_php

/**
 * Implements hook_preprocess_field().
 * @param $variables
 */
function THEMENAME_preprocess_field(&$variables) {
  $node = \Drupal::routeMatch()->getParameter('node');

  if ($node->hasField('field_links_social')) {
    $twitter = $node->get('field_links_social')->getValue();
    $twitterURL = $twitter[0]["uri"];

    $regex = "@(https?://twitter.com/)@";

    $trimmedTwitter = preg_replace($regex, '', $twitterURL);

    $variables['twitter'] = $trimmedTwitter;
  }

}