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  1. %{
  2.     #include <stdio.h>
  3. %}
  4.  
  5. %%
  6.  
  7. (hello|hi)\s+(world|planet)   { printf("Matches 'hello world' or 'hi planet'\n"); }
  8.  
  9. .*      { printf("go\n"); }
  10.  
  11. %%
  12.  
  13. int yywrap() { return 1; }
  14.  
  15. int main() {
  16.     printf("Enter your input\n");
  17.     yylex();
  18.     return 0;
  19. }
  20.  
Success #stdin #stdout #stderr 0.03s 6936KB
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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/NiVTrw/prog:19:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/76NIMY
language:
Prolog (swi 7.6.4)
created:
285 days ago
visibility:
public

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