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  1. %%
  2. [+]?[0-9]+{printf("Positive Number:")
  3. [-][0-9]+{printf("Negative Number:")
  4. %%
  5. 5
Success #stdin #stdout #stderr 0.02s 6960KB
comments (?)
stdin 
5
stdout 
Standard output is empty
stderr 
ERROR: /home/Gi29cF/prog:5:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/spX9xX
language:
Prolog (swi 7.6.4)
created:
4 days ago
visibility:
public

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