Domain And Mac using flex.

1.inputdd
www.gmail.com
www.sylview24.co
wwww.coxin.com
www.coxsbazer.net
wwww.facebook.com
www.jkjdkj.co


2.outputdd
 Text: www.gmail.com Valid URL
 Text:   www.sylview24.co  Valid URL
 Text: wwww.coxin.com Invalid URL
 Text: www.coxsbazer.net Valid URL
 Text: wwww.facebook.com Invalid URL
 Text:   www.jkjdkj.co  Valid URL

3.outputmac

 MAC ADD: 1A-23-45-2F-52-4D Valid MAC

 MAC ADD: 1g-86-12-34-5D-1A Invalid MAC

 MAC ADD: 2D-4F-45-23-17-23 Valid MAC

 MAC ADD: A1-2F-5D-d8-12-45 Invalid MAC

4.mac.txt.bak
%option noyywrap
%{
	#include<stdio.h>
%}

%%
[A-F0-9]+[-][A-F0-9]+[-][A-F0-9]+[-][A-F0-9]+[-][A-F0-9]+[-][A-F0-9]+ {fprintf(yyout," MAC ADD: %s Valid MAC\n",yytext)}
.* {fprintf(yyout," MAC ADD: %s Invalid MAC\n",yytext);}
%%
int main()
{
	yyin=fopen("C:\\mac\\inputmac.txt","r");
	yyout=fopen("C:\\mac\\outputmac.txt","w");
	yylex();
	return 0;
}
5.inputmac
1A-23-45-2F-52-4D
1g-86-12-34-5D-1A
2D-4F-45-23-17-23
A1-2F-5D-d8-12-45