這是一個用lex撰寫的一個小程式，主要可以判斷出一些KEYWORD 噹輸入字元最兩邊加上" 可以判斷為字串 單純輸入英文與數字的字串 會儲存-This is a lex written with a small program that can mainly be to determine some of the most KEYWORD When the input characters on both sides of the words " can be judged as a simple string input in English and the number of strings will be stored