Write a LEX program to check whether inputted character is vowel or not.

%{

%}

%%

[aeiouAEIOU]              {printf("Input is a vowel");}

[A-Za-z(^aeiouAEIOU)]     {printf("Input is not a vowel");}

%%

main()

{

     yylex();

}

int yywrap()

{

     return 1;

}