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  1. %{
  2. #include<stdio.h>
  3. %}
  4.  
  5. %%
  6. [a-zA-Z0-9_.]+@[a-zA-Z0-9]+\.[a-zA-Z]{2,4}  { printf("Valid Email: %s\n", yytext); }
  7. .|\n                                        { /* Ignore other characters */ }
  8. %%
  9.  
  10. int main() {
  11.     yylex();
  12.     return 0;
  13. }
  14.  
  15. int yywrap() { return 1; }
Success #stdin #stdout #stderr 0.02s 6944KB
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stdin
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sneha7@gmail.com
stdout
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Standard output is empty
stderr
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ERROR: /home/Nbks0R/prog:15:25: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/D2r8cv
language:
Prolog (swi 7.6.4)
created:
1 day ago
visibility:
public

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