only.l

%{

//ONLY LEX FILE
//lex only.l
//cc lex.yy.c -ll

#include<stdio.h>
#include<stdlib.h>

void yyerror(char*);

%}
%%


[0-9]* { printf("\nInteger: %s", yytext); }

[ \t]* { printf("\nSpace"); }

[a-zA-Z]* { printf("\nAlphabet: %s", yytext); }

"(" { printf("\nOpen"); }
")" {printf("\nClosed"); }

. {printf("\n %s was not recognized!", yytext);}

">end" { printf("\nBye"); exit(0);}



%%

int main() {
	printf("Enter something : \n");
	yylex();
}

int yywrap(){
	return 1;
}

void yyerror(char *S)
{
	fprintf(stderr, "%s\n", S);
}