Lex Program to count the number of words in a given string.

Lex Program to count the number of words in a given string.

Source Code:

%{
#include<stdio.h>
#include<string.h>
int word=0;
%}

%%

[\n] {printf("Total Number of Words: %d\n",word); word=0; printf("\nEnter the string: ");}

([a-zA-Z0-9])* {word++;}
%%

int yywrap(void){}

int main()
{
printf("\nEnter the string: ");
yylex();
return 0;
}

Output:

For any query, please comment below.
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