ring <a href="regex_merge.html">
regex_merge</a> operations.</td>
<td valign="top" width="9%">&nbsp;</td>
</tr>

<tr>
<td>&nbsp;</td>
<td>format_first_only</td>
<td>When this flag is set only the first occurance will be replaced
(applies to regex_merge only).</td>
<td>&nbsp;</td>
</tr>
</table>

<br>
<br>
 

<p>The format string syntax (and available options) is described
more fully under <a href="format_syntax.html">format strings</a>
.</p>

<p></p>

<hr>
      <p>Revised 
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