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  1. %{
  2. #include <stdio.h>
  3. %}
  4.  
  5. %%
  6. // Ending in 00
  7. [0-9]*00           { printf("Ends in 00: %s\n", yytext); }
  8.  
  9. // Free of 222
  10. ([0-9]*([^2]|2{0,2}))*  { printf("Free of 222s: %s\n", yytext); }
  11.  
  12. .|\n                ;
  13. %%
  14.  
  15. int main() {
  16.     yylex();
  17.     return 0;
  18. }
Success #stdin #stdout #stderr 0.02s 6920KB
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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/dAU9Dx/prog:18:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/wUKUZF
language:
Prolog (swi 7.6.4)
created:
2 days ago
visibility:
public

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