  action</span>
<span class="sd">        action to perform before applying regex patterns on text, by default</span>
<span class="sd">        &quot;clean&quot;</span>
<span class="sd">    patterns</span>
<span class="sd">        normalization regex patterns which match will be removed from document,</span>
<span class="sd">        by default [&#39;&lt;[^&gt;]*&gt;&#39;]</span>
<span class="sd">    replacement</span>
<span class="sd">        replacement string to apply when regexes match, by default &quot; &