%{
#include <stdio.h>
int word_count = 0;
int digit_count = 0;
int space_count = 0;
int special_count = 0;
%}
 
%%
[a-zA-Z]+ { word_count++; }
[0-9]     { digit_count++; }
[ \t\n]   { space_count++; }
[^a-zA-Z0-9 \t\n] { special_count++; }
.         { /* ignore other characters */ }
%%
 
int main() {
    yylex();
    printf("Number of words: %d\n", word_count);
    printf("Number of digits: %d\n", digit_count);
    printf("Number of spaces: %d\n", space_count);
    printf("Number of special characters: %d\n", special_count);
    return 0;
}
 

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21BRS1590 abhin.bohra2021@vitstudent.ac.in