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  1. %{
  2. #include <stdio.h>
  3. int capital = 0, small = 0;
  4. %}
  5.  
  6. %%
  7. [A-Z][a-zA-Z]*   { capital++; }
  8. [a-z][a-zA-Z]*   { small++; }
  9. [ \t\n]+         ;   
  10. .                ;
  11. %%
  12.  
  13. int yywrap() { return 1; }
  14.  
  15. int main() {
  16.     printf("Enter text:\n");
  17.     yylex();
  18.     printf("\nCapital words = %d\n", capital);
  19.     printf("Small words = %d\n", small);
  20.     return 0;
  21. }
Success #stdin #stdout #stderr 0.03s 6892KB
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Standard input is empty
stdout
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Standard output is empty
stderr
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ERROR: /home/EQvi8U/prog:2:1: Syntax error: Operator expected
ERROR: /home/EQvi8U/prog:21:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/m0wsIl
language:
Prolog (swi 7.6.4)
created:
1 day ago
visibility:
public

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