How do I replace [Text Text] with [Text,Text] in c++. I have "Spaces" in other words too but I would like to change it only in [Text Text]?

[Luka]

Hello everyone, I would like to ask you a big problem to ask about this subject, how do i replace [text text] with [text,text] in c++. i have "spaces" in other words too but i would like to change it only in [text text]? Please, please help me about this.