added link to

http://docs.oracle.com/javase/6/docs/api/java/util/regex/Pattern.html
to the /RegexTest.html servlet

htroot/RegexTest.html

@@ -18,7 +18,8 @@
           <input name="text" id="text" type="text" size="80" maxlength="256" value="#[text]#" style="font-size:16px"/>
         </dd>
         <dt>
-          <label>Regular Expression</label>
+          <label>Regular Expression</label><br />
+          This is a <a href="http://docs.oracle.com/javase/6/docs/api/java/util/regex/Pattern.html">Java Pattern</a>
         </dt>
         <dd>
           <textarea name="regex" id="regex" cols="80" rows="5" style="font-size:16px">#[regex]#</textarea>