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Asked: 2026-05-26T18:27:44+00:00

I am trying to replace a certain character in a string with a space

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I am trying to replace a certain character in a string with a space using the following code line:

str[i] = " ";

How can realize this without getting the error in the title of the question?

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1 Answer

  1. Editorial Team

    use single quotes

    str[ i ] = ' ';

    In C++, the token " " is a string literal which represents an array of two characters: the value of a space in the character set (eg, the value 32 in ascii) and a zero. On the other hand, the token ' ' represents a single character with the value of a space (usually 32). Note that in C, the token ' ' represents an integer with the value of a space. (In C, sizeof ' ' == sizeof(int), while in C++, sizeof ' ' == sizeof(char) == 1.)

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