Using c++ parser to achieve this method, including regular expression analysis, while the NFA is converted, NFA to DFA conversion, and end the match, see the package README file

lex
...\README.txt
...\src
...\...\cache
...\...\DFA.cpp
...\...\DFA.h
...\...\ErrorHandle.h
...\...\lex.bpf
...\...\lex.bpr
...\...\lex.cgl
...\...\lex.sln
...\...\lex.vcproj
...\...\main.cpp
...\...\REUtils.cpp
...\...\REUtils.h
...\...\Scanner.cpp
...\...\Scanner.h
...\...\SetCache.cpp
...\...\SetCache.h
...\...\Source.h
...\...\src.txt
...\...\Thompson.cpp
...\...\Thompson.h
...\...\TokenUtils.cpp
...\...\TokenUtils.h

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