.flexCardsContainer {
--alpha: 0.3;
/* Flexbox - for children (cards). */
display: flex;
flex-wrap: nowrap;
align-items: stretch;
counter-reset: cardCounter;
padding: var(--defaultPadding);
color: yellow;
}.column {
padding: 10px;
height: 300px; /* Should be removed. Only for demonstration */
}/* Keyword values */
flex: auto;
flex: initial;
flex: none;
/* One value, unitless number: flex-grow
flex-basis is then equal to 0. */
flex: 2;
/* One value, width/height: flex-basis */
flex: 10em;
flex: 30%;
flex: min-content;
/* Two values: flex-grow | flex-basis */
flex: 1 30px;
/* Two values: flex-grow | flex-shrink */
flex: 2 2;
/* Three values: flex-grow | flex-shrink | flex-basis */
flex: 2 2 10%;
/* Global values */
flex: inherit;
flex: initial;
flex: revert;
flex: revert-layer;
flex: unset;<div class="d-flex bd-highlight">
<div class="p-2 flex-fill bd-highlight">Flex item</div>
<div class="p-2 flex-fill bd-highlight">Flex item</div>
<div class="p-2 flex-fill bd-highlight">Flex item</div>
<div class="p-2 flex-fill bd-highlight">Flex item</div>
</div>/*** Definition Section has one variable
which can be accessed inside yylex()
and main() ***/
%{
int count = 0;
%}
/*** Rule Section has three rules, first rule
matches with capital letters, second rule
matches with any character except newline and
third rule does not take input after the enter***/
%%
[A-Z] {printf("%s capital letter\n", yytext);
count++;}
. {printf("%s not a capital letter\n", yytext);}
\n {return 0;}
%%
/*** Code Section prints the number of
capital letter present in the given input***/
int yywrap(){}
int main(){
// Explanation:
// yywrap() - wraps the above rule section
/* yyin - takes the file pointer
which contains the input*/
/* yylex() - this is the main flex function
which runs the Rule Section*/
// yytext is the text in the buffer
// Uncomment the lines below
// to take input from file
// FILE *fp;
// char filename[50];
// printf("Enter the filename: \n");
// scanf("%s",filename);
// fp = fopen(filename,"r");
// yyin = fp;
yylex();
printf("\nNumber of Capital letters "
"in the given input - %d\n", count);
return 0;
}align-items: stretch | center | flex-start | flex-end | baseline | initial | inherit;