In this tutorial we will learn writing the C program to replace first vowel of string with symbol ‘-‘ . This program will be very easy because we just have to find first character which is vowel and then replace it with ‘-‘.
You can see this program
C Program to check given character is vowel or consonant
How our this program will behave
- First we will take a string as a input from the users.
- Now to replace first vowel with ‘-‘, We will write a logic using if check to find the first occurred vowel.
- Whenever first vowel we will get, just replace this with ‘-‘.
C Program to find First occurrence of vowel and replace with ‘-‘
#include<stdio.h> int main() { char str[100]; printf("C program to replace first vowel with '-' \n"); printf("Please enter a String: "); scanf("%[^\n]", str); for(int i=0; str[i]!='\0'; i++) { if(str[i]=='a' ||str[i]=='e' ||str[i]=='i' ||str[i]=='o' ||str[i]=='u'){ str[i] = '-'; break; } } printf("String after replacing first vowel with '-': %s\n", str); return 0; }
Output

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