function match_ExactMatch($stack = array())
{
$matchrule = "ExactMatch";
$result = $this->construct($matchrule, $matchrule, null);
if (substr($this->string, $this->pos, 1) == '=') {
$this->pos += 1;
$result["text"] .= '=';
return $this->finalise($result);
} else {
return FALSE;
}
}