Q:

C Program to Remove or Delete Characters in a String Except Alphabet

robaa
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2022-11-24
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Write a C Program to Remove or Delete Characters in a String Except Alphabet. Here’s simple C Program to Remove or Delete Characters in a String Except Alphabet in C Programming Language.

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robaa
2022-11-24
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C – Strings : 

Strings are actually one-dimensional array of characters terminated by a null character ‘\0’. Thus a null-terminated string contains the characters that comprise the string followed by a null.

 
 

String is a sequence of characters. char data type is used to represent one single character in C. So if you want to use a string in your program then you can use an array of characters.

The declaration and definition of the string using an array of chars is similar to declaration and definition of an array of any other data type.

Any string ends with a terminating null character ‘\0’. An array definition in such a way should include null character ‘\0’ as the last element.

 

Here is source code of the C Program to Remove or Delete Characters in a String Except Alphabet. The C program is successfully compiled and run(on Codeblocks) on a Windows system. The program output is also shown in below.

SOURCE CODE : :

/*  C Program to Remove or Delete Characters in a String Except Alphabet  */

#include<stdio.h>

int main()
{
    char line[150];
    int i, j;
    printf("\nEnter a string: ");
    gets(line);

    for(i = 0; line[i] != '\0'; ++i)
    {
        while (!( (line[i] >= 'a' && line[i] <= 'z') || (line[i] >= 'A' && line[i] <= 'Z') || line[i] == '\0') )
        {
            for(j = i; line[j] != '\0'; ++j)
            {
                line[j] = line[j+1];
            }
            line[j] = '\0';
        }
    }
    printf("\nOutput String :: ");
    puts(line);
    printf("\n");
    return 0;
}

Output:

/*  C Program to Remove or Delete Characters in a String Except Alphabet  */

Enter a string: admin@codezclub.com

Output String :: admincodezclubcom


Process returned 0

Above is the source code for C Program to Remove or Delete Characters in a String Except Alphabet which is successfully compiled and run on Windows System.The Output of the program is shown above .

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