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  1. %{
  2. #include <stdio.h>
  3. #include <stdlib.h>
  4. #include <string.h>
  5. %}
  6.  
  7. %%
  8. [a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}   { printf("Valid Email: %s\n", yytext); }
  9. .|\n                                             { /* Ignore other characters */ }
  10. %% 
  11.  
  12. int main(int argc, char **argv) {
  13.     yylex();
  14.     return 0;
  15. }
  16.  
Success #stdin #stdout #stderr 0.03s 6980KB
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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/fP0NEe/prog:15:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/T05yYK
language:
Prolog (swi 7.6.4)
created:
8 days ago
visibility:
public

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