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<dt>All Implemented Interfaces:</dt>
<dd>java.lang.Cloneable</dd>
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<pre>public class <span class="typeNameLabel">Substitution</span>
extends <a href="../../../../../org/apache/tools/ant/types/DataType.html" title="class in org.apache.tools.ant.types">DataType</a></pre>
<div class="block">A regular expression substitution datatype.  It is an expression
 that is meant to replace a regular expression.

