编译原理词法分析程序，编写简单语言的词法分析程序，掌握从正规式到有穷自动机，再到有穷自动机最小化，最后完成编成的流程及相关技术。-Principles of lexical analysis program to compile, prepare a simple lexical analysis of language to grasp from the formal ceremony to DFA, DFA to minimize the process of finalizing the composition and related technologies.