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  1. %{
  2. #include <stdio.h>
  3. #include <string.h>
  4. %}
  5.  
  6. %%
  7.  
  8. [0-9]+               { printf("Number: %s, Length: %d\n", yytext, yyleng); }
  9. [a-zA-Z]+            { printf("Word: %s, Length: %d\n", yytext, yyleng); }
  10. [ \t\n]+             ; // Ignore whitespace characters
  11.  
  12. %%
  13.  
  14. int main() {
  15.     yylex();
  16.     return 0;
  17. }
  18.  
  19. int yywrap() {
  20.     return 1;
  21. }
  22.  
Success #stdin #stdout #stderr 0.04s 6956KB
comments (?)
stdin
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1
2
10
42
11
stdout
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Standard output is empty
stderr
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ERROR: /home/gWgSYh/prog:21:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/DqUn3o
language:
Prolog (swi 7.6.4)
created:
1 day ago
visibility:
public

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