whole_func_string: function matchIdentifierName(name){
    var noid = identifier().replace('[', '[^');
    noid = '(^|$|' + noid + ')';
    return noid+name+noid;
  }
func_code_string: function matchIdentifierName(name){
    var noid = identifier().replace('[', '[^');
    noid = '(^|$|' + noid + ')';
    return noid+name+noid;
  }
func_documentation_string: Match specific identifier name
  @private