a></strong>()</code>
<div class="block">Returns the length of the matched text region.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../weka/core/mathematicalexpression/Scanner.html#yypushback(int)">yypushback</a></strong>(int&nbsp;number)</code>
<div class="block">Pushes the specified amount of characters back into the input stream.</div>
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<td class="colFirst"><code>void</code></td>
<td c