How can I replace a character in a string in C?

Answer 1

if you know where in the string the character is, then its as simple as just writing over it. If you dont know where it is, then you have to do a loop and search through the string to find it, then write over it.

example 1: The string char mystring[] = "Hello World." you want to replace the . with !. your code would be:
mystring[11] = '!';
the . is the 11'th element in the string.

example 2: you want to replace . with !, but dont know where it is in the string. the code would be:

for (int count = 0; count < sizeof(mystring); count++)
{
if (mystring[count] == '.')
{
mystring[count] = '!';
break;
}
}

Answer 2

C String Replace Character

Answer 3

You have to loop through each character in that string and replace it with a character of your desire.

Ex:
for(x = 0; x < strlen(text); x++)
{
text[x] = 'X';
}

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KaBalweg
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Answer 4

delete tat character and add another