%%

%standalone
%class Calc

nl        =  \n|\r|\r\n
string          =  [0-7][0-7]+
lang           =  [0-9]+

%%

{string}    {System.out.println("contains octal number: " +yytext());}
{lang}            {System.out.println("invalid: " +yytext());}


{nl}|" "|\t     {;}

.        {System.out.println("invalid " + yytext());}





251645
51263253
555266
809099
9898989
7788899