%{#include<stdio.h> 
 
%} 
 
%% 
 
[0-9]+ {printf(“\n Integer number”);} 
 
[0-9]+”.”[0-9]+ {printf(“\n Decimal number”);} 
 
[a-z]+ {printf(“\n All small letters alphabet”);} 
 
[A-Z]+ {printf(“\n All capital letters alphabet”);} 
 
[a-zA-Z]+ {printf(“\n Combination of small and capital letters”);} 
 
[a-zA-Z0-9]+ {printf(“\n Alphanumeric”);} 
 
. {printf(“\n No matching”);} 
 
%% 
 
Void main() 
 
{ printf(“Enter Input:”); 
 
yylex(); 
 
} 
 
Int yywrap() 
 
{ return 1; 
 
} 

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