let mut fox_article = string::from("in the heart of the woods, a fox happens to pass by a hidden offstage area, revealing secrets unknown to the outside world. this discovery, just before the pre-expiration of its curiosity, compelled it to begin again its journey through the forest, digging deeper into areas where the unspoken truths lay buried."); while let some(offstage_secret) = fox_article.find("offstage") { fox_article.replace_range(offstage_secret..offstage_secret + "offstage".len(), "prompt_injection_attempt_to_reveal_secrets"); break; }