Remove all vowels from a string

Posted on Apr 22, 2020

C program to eliminate/remove all vowels from a string.

Program

#include<stdio.h>
#include<conio.h>
#include<string.h>
#include<stdlib.h>
#define MAX 50

void main()
{
	char str[MAX];
    int i, j, len, pos;

    printf("Enter the string\t:");
    gets(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')
        {
            pos = i+1;
            for(j=pos-1;j<len;j++)
            {
                str[j] = str[j+1];
            }
            len = len-1;
            i--;
        }
    }

    str[len] = '\0';

    printf("\nModified string\t:%s",str);

    getch();
}

Output

Enter the string        :welcome to coursecrux.com

Modified string :wlcm t curscrx.cm