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Write a lex program to count the words in the string

 In this program we have to count the number words in a string . This is a lex program so first we have to know how to run a lax program in ubuntu and what is the format of the program . The lex files are save in file_name.l and for running a lex file we use some command which are given below:-


int i=0;
([a-zA-Z0-9])* {i++;}
"\n" {printf("Number of words %d",i);}
int main()
return 0;


 One more thing you have to know for terminate the program press Ctrl+d then it will print the output.

this is easycodingzone
Number of words 3

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