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  1. %{
  2. #include<stdio.h>
  3. %}
  4. %%
  5. [ \n\t];
  6. [+-]?([0-9]+|([0-9]*\.[0-9]+)([eE][+-]?[0-9]+)?) { printf("number\n");}
  7. . { printf("not a number\n");}
  8. %%
  9. main()
  10. {
  11. yylex();
  12. }
  13.  
Success #stdin #stdout #stderr 0.02s 7016KB
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stdin
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7822.56
e
stdout
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Standard output is empty
stderr
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ERROR: /home/zoV98x/prog:2:1: Syntax error: Operator expected
ERROR: /home/zoV98x/prog:12:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? ERROR: No previous search
   Exception: (3) program ?
https://ideone.com/lEsapJ
language:
Prolog (swi 7.6.4)
created:
1 year ago
visibility:
public

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