#setExpression(java.lang.String)">setExpression</a></strong>(java.lang.String&nbsp;theexpression)</code>
<div class="block">The regular expression used to search the file.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/tools/ant/types/selectors/ContainsRegexpSelector.html#setMultiLine(boolean)">setMultiLine</a></strong>(boolean&nbsp;b)</code>
<div class="block">Whether to match should be multiline.</