/* File: ch2-01.l (from lex & yacc book by John Levine)
 *
 */

%%
[\n\t ] ;

-?(([0-9]+)|([0-9]*\.[0-9]+)([eE][-+]?[0-9]+)?) { printf("number\n"); }

.   ECHO;
%%
main()
{
    yylex();
}