s="hl kwa">this</span><span class="hl opt">;</span>
      condition <span class="hl opt">=</span> node<span class="hl opt">.</span>data<span class="hl opt">.</span><span class="hl kwd">match</span><span class="hl opt">(/</span>\s<span class="hl opt">*</span>\<span class="hl opt">[(</span><span class="hl kwa">if</span>\s<span class="hl opt">+[</span>^\<span class="hl opt">]]+)</span>\<span class="hl opt">]/);</span>
      <span class="hl kwa">if</span> <span class="hl opt">(!</span>condition<span class="hl o