_locate</a></span><span class="op">(</span><span class="va">uk2010immigCorpus</span>, <span class="st">"immigr"</span>, stemmer <span class="op">=</span> <span class="st">"en"</span><span class="op">)</span></code></pre></div>
<pre><code>   text                before                  instance                   after                
1  BNP                                        IMMIGRATION : AN UNPARALLELED CRISIS WHICH ONLY …
2  BNP  …THE BNP CAN SOLVE. \n\n- At current  immigration  and birth rates, in