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  1. %%
  2.  
  3. [a-z]      { printf("%c is lowercase\n", yytext[0]); }
  4. [A-Z]      { printf("%c is uppercase\n", yytext[0]); }
  5.  
  6.  
  7. %%
  8.  
  9. int main() {
  10.     yylex();      // Lexical analyzer function call
  11.     return 0;
  12. }
  13.  
Success #stdin #stdout #stderr 0.02s 6976KB
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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/kfjfAe/prog:12:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/vunaGi
language:
Prolog (swi 7.6.4)
created:
9 days ago
visibility:
public

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