58      * @param string $pattern      Perl style regex, but ( and )
64     public function addPattern($pattern, $mode = "accept")  argument
69         $this->regexes[$mode]->addPattern($pattern);
77      * @param string $pattern      Perl style regex, but ( and ) lose the usual meaning.
81     public function addEntryPattern($pattern, $mode, $new_mode)  argument
86         $this->regexes[$mode]->addPattern($pattern, $new_mode);
92      * @param string $pattern      Perl style regex, but ( and ) lose the usual meaning.
95     public function addExitPattern($pattern, $mode)  argument
100         $this->regexes[$mode]->addPattern($pattern, self::MODE_EXIT);
109      * @param string $pattern      Perl style regex, but ( and ) lose the usual meaning.
113     public function addSpecialPattern($pattern, $mode, $special)  argument
118         $this->regexes[$mode]->addPattern($pattern, self::MODE_SPECIAL_PREFIX . $special);