fork download
copy 
  1. %{
  2. int c;
  3. %}
  4. %%
  5. [a-zA-Z]+ {C++;printf("\n'%s' is a word\n",yytext);}
  6. [^a-zA-Z\n]+;
  7. .;
  8. %%
  9. int main(){
  10.     printf("Enter a string:\n");
  11.     yylex();
  12.     printf("The number of words: %d\n",c
  13.  
  14. }
  15. int yywrap()
  16. {
  17. return 1;
  18. }
Success #stdin #stdout #stderr 0.02s 6996KB
comments ()
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
stderr
copy 
ERROR: /home/LHt22I/prog:18:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/udOAP6
language:
Prolog (swi 7.6.4)
created:
16 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!