Count the number of lines [lex program part3 ]

1.How to install Flex for linux ( lexical analyser generators) lex part 1 2.Replace space with $ [ lex program part 2 ] 3. Count the number of lines [lex program part3 ] 4.Count the number of digits [ lex program part 4 ] 5.Accept a string ending with abb [ lex program part 5 ] 6.Remove white spaces from a string using Flex [ lex program part 6 ] 7.Even number of 1's using Flex [ lex program part 7 ] 8.Count the number of signed numbers using Flex [ lex program part 8 ] 9.Count the nuber of Sentences and Words using Flex [ lex program part 9 ]

   
%{

int i=0;

%}

str ([a-zA-Z_.,][ ])*

%%

{str}

.* i++;

%%

main()

{

yylex();

printf("%d",i);

}
        
    

lex part 4

Posted in: Lex tutorial