wordsign">-&gt;</span>&nbsp;int<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;matched_group&nbsp;:&nbsp;int&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;group_beginning&nbsp;:&nbsp;int&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;int<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;group_end&nbsp;:&nbsp;int&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;int<br>
&nbsp;&n