说明：VB多个字符串反转显示的源程序，有需要的就下载吧。
VB multiple strings inverted display of the source, there is a need to download it.
CHAR是全程变量，它总存放当前所扫描的源程序的字符。
CHAR is a global variable which will always hold the source program being scanned.
词法分析的主要任务是：从左到右逐个字符地扫描源程序，产生一个个单词(Token)，同时检查源程序中的词法错误。
Lexical analysis of the main tasks are: to scan source code character by character from left to right, resulting in one word (Token), also check the source of lexical errors.
词法分析的主要任务是：从左到右逐个字符地扫描源程序，产生一个个单词(Token)，同时检查源程序中的词法错误。
Lexical analysis of the main tasks are: to scan source code character by character from left to right, resulting in one word (Token), also check the source of lexical errors.
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