C program to delete vowels in a given string

In this tutorial we will learn writing c program to delete all vowels in a given string. This program will be little bit tricky because we have to shift the character after removing the vowel.

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How our delete vowel program will behave

  • Our program will take a string as an input.
  • We will iterate the each character of the string and check whether character is vowel or not.
  • If we will find the vowel, just shift the right element towards the left. This will solve our problem statement.

C Program to delete vowel from the String

#include <stdio.h>
#include <string.h>
int main()
{
	char str[100];
	int i,j,len=0;
printf("C program to delete all vowels from String \n");
	printf("Please enter a string : ");
	scanf("%[^\n]", str);
	len=strlen(str);
	for(i=0; i<len; i++)
	{
		if(str[i]=='a'||str[i]=='e'||str[i]=='i'||str[i]=='o'||str[i]=='u'||str[i]=='A'||str[i]=='E'||str[i]=='I'||str[i]=='O'||str[i]=='U')
		{
			for(j=i; j<len; j++)
			{
				str[j]=str[j+1];
			}
			i--;
		    len--;
		}
	}

	printf("After deleting the vowels string is : %s",str);

    return 0;
}

Output

C program to delete vowels in a given string

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