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  1. %{
  2. #include <stdio.h>
  3. %}
  4.  
  5. %%
  6.  
  7. ^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$    {
  8.         printf("Valid Email Address\n");
  9.     }
  10.  
  11. .*  {
  12.         printf("Invalid Email Address\n");
  13.     }
  14.  
  15. %%
  16.  
  17. int main()
  18. {
  19.     yylex();
  20.     return 0;
  21. }
  22.  
  23. int yywrap() {
  24.     return 1;
  25. }
  26.  
Success #stdin #stdout #stderr 0.02s 6932KB
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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/xfLQvQ/prog:25:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/XFFG9u
language:
Prolog (swi 7.6.4)
created:
2 days ago
visibility:
public

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