%option nounput noinput

%{
void echo(char *lex_cat) {
  fprintf(stdout,"[%s:%s]", lex_cat, yytext); 
}
%}

SET [abcdefABCDEF]
   /* IPv6 Addr */
SET_EXT {SET}|[oOiIzZsSgG]
   /* leet speak , hexspeak, calculator spelling*/

%%
^{SET}{4}\n      echo("4-STRIC");
^{SET_EXT}{4}\n  echo("4-Approx");
^{SET}*\n        echo("*-STRIC");
^{SET_EXT}*\n    echo("*-Approx");
.|\n	    	 ;
%%

int yywrap(void) { return 1; }
int main(int argc, char *argv[]) { while (yylex()!=0) ; return 0; }