Select Lines Ending with 'com' - Lex Program - Compiler Design

Program:

// Lex file: com.l

%{
int count=0;
%}

%%
.*com\n {count++;ECHO;}
. ;

%%

main()
{
    yylex();
    printf("\nCount= %d\n",count);
    return 0;
   
}

Output:
nn@linuxmint ~ $ lex com.l
nn@linuxmint ~ $ gcc lex.yy.c -ll
nn@linuxmint ~ $ ./a.out<com.txt

www.google.com
www.yahoo.com
www.2k8618.blogspot.com




Count= 3
nn@linuxmint ~ $

// com.txt

www.2k8cs.tk
www.google.com
www.yahoo.com
www.2k8618.blogspot.com
www.2k8cse.cu.cc