=========== PATTERN_FSM
A valid FSM definition contains a list of states, symbols and transitions, the initial state and the accepting states. States and symbols are alphanumeric character strings and can not overlap. Transitions have the format: stateA:symbol>stateB,stateC.
#states awaiting check_pattern action move_in_tree #initial awaiting #accepting awaiting check_pattern move_in_tree #alphabet start get_pattern unfound_pattern found_pattern {with_timeout|$TO} time_is_over move_in move_in_timeout pattern_move #transitions awaiting:get_pattern>check_pattern awaiting:time_is_over>awaiting awaiting:time_is_over>action check_pattern:found_pattern>move_in_tree check_pattern:unfound_pattern>action action:unfound_pattern>action action:move_in>move_in_tree action:move_in_timeout>move_in_tree move_in_tree:pattern_move>action move_in_tree:start>awaiting move_in_tree:{with_timeout|$TO}>awaiting
FOR FSM SIMULATOR - http://ivanzuzak.info/noam/webapps/fsm_simulator/
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=================== Синтаксис паттернов
В паттернах используются следующие конструкции:
Альтернативы
Определяет наличие в данной позиции текста одной из перечисленных конструкций или последовательности символов.
(первый|второй|первый или второй) Символ | используется для разделения альтернативных конструкций. В данном примере указано, что в тексте должно присутствовать либо слово первый, либо слово второй, либо фраза целиком первый или второй, либо число в любом формате.
Альтернативы необходимо заключать в круглые скобки.
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