%option noyywrap
%option nounput
 
%{
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
unsigned int cnt = 0;
%}
INT    	[0-9]+
FLOAT  	([0-9]*\.[0-9]+)|([0-9]+\.[0-9]*)
SSTR   	'[^'\n]+'
DSTR   	"[^\"\n]+"
VAR    	[A-Za-z_][A-Za-z0-9_]*
%%
{INT} 	{ printf("%s INRERGER\n", yytext); } 
{FLOAT} { printf("%s FLOAT\n", yytext); }
{SSTR}  { printf("%s STRING\n", yytext); }
{DSTR}  { printf("%s STRING\n", yytext); }
{VAR}   { printf("%s VARIABLE\n", yytext); }
^.*\n?  { /* ignore invalid line */ }
[ \t]+  ;
 
%%
int main(void) {
    yylex();
    return 0;
}
 
 
//3.in 2.in
//  SP      [ \t]*
//  ^{SP}{FLOAT}{SP}\n?

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