n><span class="hl-4">&#39;text&#39;</span><span class="hl-1">],</span><br/><span class="hl-1">  </span><span class="hl-7">tokenize</span><span class="hl-0">:</span><span class="hl-1"> (</span><span class="hl-0">string</span><span class="hl-1">, </span><span class="hl-0">_fieldName</span><span class="hl-1">) </span><span class="hl-5">=&gt;</span><span class="hl-1"> </span><span class="hl-0">string</span><span class="hl-1">.</span><span class="hl-7">split</span><span class="hl-1">(</span><span class="hl-4">&#