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C – Remove characters in string except alphabet Code Example

The code for Remove characters in string except alphabet

#include<stdio.h>

int main()
{
   char str1[256],str2[256];
   int i, j;

   printf("Enter a string: ");
   fgets(str1, sizeof(str1), stdin);

   for(i=0,j=0;str1[i]!='\0';i++)
   {
     if((str1[i]>='A' && str1[i]<='Z')||(str1[i]>='a' && str1[i]<='z'))
     {
        str2[j]=str1[i];
        j++;
     }
   }
   str2[j]='\0';

   printf("Result: %s",str2);
   
   return 0;
}

/*
Output:
Enter a string: Ihelp@123!Hello, World!
Result: IhelpHelloWorld
*/