Related items

• [solved] How to delete text symbol from php line?
  in PHP

  $string = 'Some Text .... 1. 2 .3.  Buy';
  $string = preg_replace('~[^0-9]+~','',$string);
  echo $string;
  // 123 

• [php] How to make function for compress css using regular expression
  in PHP

  function compresscss ( $data, $url ) {
          global $current_css_url;
          $current_css_url = $url;
          /* remove comments */
          $data = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $data);
          /* remove tabs, spaces, new lines, etc. */
          $data = str_replace(array("\r\n", "\r", "\n", "\t", '  ', '    ', '    '), ' ', $data);
          /* remove unnecessary spaces */
          $data = preg_replace('/[ ]+([{};,:])/', '\1', $data);
          $data = preg_replace('/([{};,:])[ ]+/', '\1', $data);
          /* remove empty class */
          $data = preg_replace('/(\}([^\}]*\{\})+)/', '}', $data);
          /* remove PHP code */
          $data = preg_replace('/<\?(.*?)\?>/mix', '', $data);
          /* replace url*/
          $data = preg_replace_callback('/url\(([^\)]*)\)/', 'replaceurl', $data);
          return $data;
  }