C Program to remove all extra Spaces from String

In this tutorial you will learn about the C Program to remove all extra Spaces from String and its application with practical example.

In this tutorial, we will learn to create a C program that will remove all extra Spaces from String using C programming.

Table Of Contents−

C Program to remove all extra spaces from String

Prerequisites

Before starting with this tutorial we assume that you are best aware of the following C programming topics:

Operators in C Programming.

Basic Input and Output function in C Programming.
Basic C programming.
While loop in C Programming.

Remove all extra Spaces from String

As we all know array is a collection of similar data type elements. In an array, only one variable is declared which can store multiple values. First will take the number of elements of an array from the user as a string. Then we will remove the extra spaces for a string using a while loop. With the help of C Programming Language.

Algorithm:-

1. Declaring the variables for the program. 

2. Taking the string from the user. 

3. Sending that string to while loop. 

4. Sorting the string and removing the. 

5. Printing the results. 

6. End program.

1. Declaring the variables for the program.

2. Taking the string from the user.

3. Sending that string to while loop.

4. Sorting the string and removing the.

5. Printing the results.

6. End program.

Program:-

Remove all extra Spaces from String.

#include <stdio.h>
 
int main()
{
    //declaring the variables
   char str[100], blank[100];
   int c = 0, d = 0;
 
    //Taking the input from the user
   printf("Enter some text\n");
   gets(str);
 
 //filtering the string
   while (str[c] != '\0')
   {
      if (!(str[c] == ' ' && str[c+1] == ' ')) {
        blank[d] = str[c];
        d++;
      }
      c++;
   }
 
   blank[d] = '\0';
 //printing the output
   printf("Text after removing blanks\n%s\n", blank);
 
   return 0;
}

#include <stdio.h>

int main()

{

//declaring the variables

char str[100], blank[100];

int c = 0, d = 0;

//Taking the input from the user

printf("Enter some text\n");

gets(str);

//filtering the string

while (str[c] != '\0')

{

if (!(str[c] == ' ' && str[c+1] == ' ')) {

blank[d] = str[c];

d++;

}

c++;

}

blank[d] = '\0';

//printing the output

printf("Text after removing blanks\n%s\n", blank);

return 0;

}

Output:-

In the above program, we have first initialized the required variable.

str[100] = it will hold the elements in an array.

blank[100] = it will hold the number of elements in an array.
c = it will hold the integer value to control the array.
d = it will hold the value of the blank space to be removed.

Taking input from the user in an array as a string to sort and remove extra spces.

Filtering the string value by removing the extra spaces using While Loop.

Printing output without extra blank spaces.

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C Program to remove all extra Spaces from String