[Python] How to fix corrupted characters like "", "", "" in a JSON file? [closed]

I have a JSON file that contains multiple-choice questions and answers, but many of the characters are corrupted or replaced with strange Unicode symbols like , , , etc. For example: { "question": "Which of h followig is a u sam?\nA. SOAP cao bypass a fiwall.\nB. SOAP cyps mssags usig HTTP mhods.\nC. SOAP is compaibl wih HTTP ad SMTP.\nD. SOAP mssags a usually bidicioal.", "response": "C. SOAP is compaibl wih HTTP ad SMTP." }

I tried to use a Python script with regex (r'[]') to detect and remove entries containing these characters, but the output still didn’t remove all problematic entries. It seems there are multiple different invalid characters causing the regex to miss some entries. Additionally, I don’t fully understand what these characters are. Is there any known method to detect and correct characters automatically?

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