code: function searchPath(newValue) {
              if (!newValue || newValue.length < 2) {
                  return undefined;
              }
  
              var regexp = new RegExp(LxUtils.escapeRegexp(newValue), 'ig');
  
              return _searchPath(lxSelect.choices, regexp);
          }
docs: Search in the multipane select for the paths matching the search.
  
  @param {string} newValue The filter string.