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  1. %{
  2.  #include <stdio.h> 
  3. %}
  4.  
  5. %%
  6. [0-9] printf("%s",yytext);
  7. .     /* Ignore other characters*/
  8. %%
  9.  
  10. int main() {
  11.   printf("Enter a String: ");
  12.   yylex();
  13.   return 0;
  14. }
  15.  
  16. int yywrap(){
  17.   return 1;
  18. }
Success #stdin #stdout #stderr 0.03s 6816KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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ERROR: /home/DXL6vw/prog:2:2: Syntax error: Operator expected
ERROR: /home/DXL6vw/prog:18:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/nNQyhe
language:
Prolog (swi 7.6.4)
created:
4 days ago
visibility:
public

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