正则表达式与dfa

http://wenku.baidu.com/link?url=Wj9M8fBv14LqmjWK_CkXrw02zQqL8IlM2w9DTmjGgpk4ATz8Tg_dpzpxDhsBZqqQuV8djfPX5fjVlU-rq6ATTKVRTIddo1lq2GQA3Nri8eS

http://wenku.baidu.com/view/2e9dad18a8114431b90dd896.html

http://www.tuicool.com/articles/qYZjA3