Accept a string ending with abb [ lex program part 5 ]

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 ]

       

%{

%}

str [a-z A-Z]*(abb)

%%

{str} printf("\n accepted");

.* printf("\n rejected");

%%

main()

{

printf("Enter the string:");

yylex();

}
        
    

Posted in: Lex tutorial