我有一個看起來像這樣的 JSON 字串
[{"25":"Fresh Vegetable Platter with Olive Oil Dip "},{"23":"Ginger-Lime Coconut Cake with Marshmallow Frosting "},{"26":"Mexican Pineapple Salad "},{"28":"Saut\u00e9ed Savoy Cabbage with Scallions and Garlic "},{"24":"Braised Escarole with Currants and Pine Nuts "}]
我想用單詞標題替換數字，但是“Saut\u00e9ed”部分中的數字會導致問題，因為我想保持這種方式。
我努力了：
recommendations = re.sub('\d', 'title', recommendations)
這給了我這個：
[{"titletitle":"Fresh Vegetable Platter with Olive Oil Dip "},{"titletitle":"Ginger-Lime Coconut Cake with Marshmallow Frosting "},{"titletitle":"Mexican Pineapple Salad "},{"titletitle":"Saut\utitletitleetitleed Savoy Cabbage with Scallions and Garlic "},{"titletitle":"Braised Escarole with Currants and Pine Nuts "}]
uj5u.com熱心網友回復：
如果您更換：
recommendations = re.sub('\d', 'title', recommendations)
和
recommendations = re.sub('\d ', 'title', recommendations)
它應該作業。
告訴正 則運算式匹配“至少一個（但可能更多）數字”。
為了將來在正則運算式中參考，您可以使用這些字符來指示要匹配的特定數量：
?0 或 1 次出現*任意數量的出現（包括零）
uj5u.com熱心網友回復：
嘗試：
recommendations = re.sub(r'\d ','title', recommendations )
uj5u.com熱心網友回復：
鑒于您希望“Saut\u00e9ed”不受影響，這里有一個有趣的串列理解：
a = [{"25":"Fresh Vegetable Platter with Olive Oil Dip "},{"23":"Ginger-Lime Coconut Cake with Marshmallow Frosting "},{"26":"Mexican Pineapple Salad "},{"28":"Saut\u00e9ed Savoy Cabbage with Scallions and Garlic "},{"24":"Braised Escarole with Currants and Pine Nuts "}]
b = [{'title': list(i.values())[0]} for i in a]
uj5u.com熱心網友回復：
recommendations = re.sub(r'"\d "', '"title"', recommendations)
這行得通，這只會替換包裹在“”中的數字
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