code: function ( from_value, to_value ) {
  
          var type;
  
          if ( from_value instanceof RegExp ) {
  
              type = 'RegExp';
  
          } else if ( typeof from_value === 'string' ) {
  
              type = 'String';
  
          } else {
  
              throw { type: 'changeURLContent', message: 'First argument must be RegExp of String' };
  
          }
  
          if ( to_value === undefined ) {
  
              to_value = "";
  
          } else if( typeof to_value !== 'string' ) {
  
              throw { type: 'changeURLContent', message: 'Second argument must be String' };
  
          }
  
          urls.filter( function ( value ) {
  
              if ( type === "RegExp" ) {
  
                  return from_value.test( _getURLValue( value ) );
  
              } else {
  
                  return _getURLValue( value ).indexOf( from_value ) !== -1;
  
              }
  
          } ).forEach( function ( value ) {
  
              var new_value = _getURLValue( value ).replace( from_value, to_value );
              _setURLValue( value, new_value );
  
          } );
  
      }
docs: Replace content of every URL matching RegExp with new content.
  
  @param  {regexp|string} or from_value Mask to select urls with.
  @param  {string} to_value Rule to apply on found items.