lose paranthesis may come after tag name"</span>, <span class="hljs-function">-&gt;</span>

    nextToken = tokenizer (result = <span class="hljs-keyword">new</span> Result), expr =  <span class="hljs-string">'(b+#tag)'</span>

    expect(nextToken()).toBe <span class="hljs-string">'('</span>
    expect(nextToken()).toBe <span class="hljs-string">'b'</span>
    expect(nextToken()).toBe <span class="hljs-string">'+'</span>
    expect(nextToken()).toBe <span class="hljs-string">'#tag'</span>
    expect(