input is a regular expression, you can use : lowercase letters or numbers, said...

一个经典的词法分析器，可解析各种复杂的SQL语句- A classical morphology analyzer, may analyze each kind of complex SQL sentence

词法分析和语法分析的程序，带实验报告- The lexical analysis and the grammar analysis procedure, brings the test report

编译原理大作业---tiger编译器 包括semant,translate,mipsframe,regalloc等所有phase 懂的人自会知道-Compilation Principle big operation--- tiger compiler including semant, translate, mipsframe, regalloc all those who understand phase will know

pl0修改后的源程序和报告 （1） 修改后的PL/0语言文本。包含词法分析（正规式），语法分析（BNF）。 （2） 有关修改后的PL/0编译/解释器的说明。详细说明你的编译器是如何编译新的PL/0语言程序的。指出你的程序中最精彩的部分，以及你为什么这样做，你是如何控制和恢复语义错误的。 （3） 给出你所改动后的编译器源程序清单，并标记出你所修改的部分。比较你的编译器和原来的编译器之间的差别。 （4） 说明你的编译器中可能存在的错误。 （5） 总结经验与教训，如果重做一遍，你会有哪些新的改进？ -err

词法分析程序，是一个词法分析程序，可以分析单词，指出错误。-lexical analysis procedure is a lexical analysis procedures can be analyzed word that mistake.

学了编译原理之后写的一个小的词法兼语法分析程序，vc6.0开发的，有界面，不过功能比较简单，仅供参考-Compilation Principle have learned to write after a small grammar of lexical and analytical procedures, vc6.0 developed has interface, but relatively simple function, for reference only

c语言的词法分析器源代码-c language morphology analyzer source code

一个简单的词法分析器，1代表字符，2代表关键字（命令字），4带表算符界符， 注：要把wangs.txt这个文件放在桌面上，然后在这个TXT里写上你要识别的语句。然后保存后关毕，在运行WANG词法分析.EXE进行词法分析。 完成识别后，会在相应的词面前出现以上代号。暂不能对数字进行识别。因为在某种请况下数字也可表是为字符……稍有困难，但完成老师的针对程序段：area=b+c*d。那简直是小菜一碟。-a simple lexical analyzer, a representative character, the two representatives keyword (command word), with four tables operator sector website Note : The wangs.txt the document on the desktop, then the TXT Lane write you to identify words. Then preserved customs Albert, running WANG lexical analysis. EXE for lexical analysis. After completing the identification, in the appropriate words appear in front of the above code. Provisional figures for the right not to identify. Because of the status of requests under certain figures might be for the characters ... the slightest difficulty, but the completion of procedural teachers : area = b, c* d. It is simply to touch.

编译原理课程实验，包括词法分析器和语法分析器-Compilation Principle experimental courses, including the lexical analyzer and parser

Grammatica is a C# and Java parser generator (compiler compiler). It improves upon simlar tools (like yacc and ANTLR) by creating well-commented and readable source code, by having automatic error recovery and detailed error messages, and by support for testing and debugging grammars without generating source code. It supports LL(k) grammars with an unlimited number of look-ahead tokens.