51      * @param string $pattern      Perl style regex, but ( and )
57     public function addPattern($pattern, $mode = "accept")  argument
62         $this->regexes[$mode]->addPattern($pattern);
70      * @param string $pattern      Perl style regex, but ( and ) lose the usual meaning.
74     public function addEntryPattern($pattern, $mode, $new_mode)  argument
79         $this->regexes[$mode]->addPattern($pattern, $new_mode);
85      * @param string $pattern      Perl style regex, but ( and ) lose the usual meaning.
88     public function addExitPattern($pattern, $mode)  argument
93         $this->regexes[$mode]->addPattern($pattern, "__exit");
102      * @param string $pattern      Perl style regex, but ( and ) lose the usual meaning.
106     public function addSpecialPattern($pattern, $mode, $special)  argument
111         $this->regexes[$mode]->addPattern($pattern, "_$special");