/p>
<pre class="example">(%i1) load(&quot;stringproc&quot;)$
(%i2) s: &quot;A submarine.&quot;$
(%i3) sconc( substring(s,1,3),&quot;yellow &quot;,substring(s,3) );
(%o3)                  A yellow submarine.
(%i4) sinsert(&quot;hollow &quot;,s,3);
(%o4)                  A hollow submarine.
</pre>
</dd></dl>

<dl>
<dt><u>Função:</u> <b>sinvertcase</b><i> (<var>seq_caracte</var>)  </i>
<a name="IDX1973"></a>
</dt>
<dt><u>Função:</u> <b>sinvertcase</b><i> (<var>seq_caracte</var>, <var>início</var>)  </i>
<