float.l

来自「lex files for given decription used as 」· L 代码 · 共 11 行

%{
 #include<stdio.h>
%}
%%
[0-9]*[.][0-9]+ printf("%s is float number",yytext);
[0-9]+ printf("%s is not a float number",yytext);
[.]+ printf("%s is not a valid input",yytext);
%%