src/parser.js
function matchIdentifierName(name){
  var noid = identifier().replace('[', '[^');
  noid = '(^|$|' + noid + ')';
  return noid+name+noid;
}
function matchIdentifierName(name){
  var noid = identifier().replace('[', '[^');
  noid = '(^|$|' + noid + ')';
  return noid+name+noid;
}
Match specific identifier name
@private