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  1. %{
  2. #include<stdio.h>
  3. %}
  4. ({digit}{digit}{digit}{digit}{digit}{dash}{digit}{digit}{digit}{digit}{digit}{digit}{digit}{dash}{digit})
  5. {printf("valid cnic \n") | printf(" wrong valid cnic \n");}
  6. %%
  7. int yywrap(void){}
  8. int main()
  9. {
  10. printf("Enter the string\n");
  11. scanf("%d", &cnic);
  12. yylex();
  13. return 0;
  14. }
Success #stdin #stdout #stderr 0.02s 6936KB
stdin
Standard input is empty
stdout
Standard output is empty
stderr
ERROR: /home/NtL3Un/prog:13:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit