如何提取

又被正则给卡住了，写来写去都提不出来内容，请教大家如何提取：&token=和后面第一个&之间的内容？前的&token=要包含
写成：&token=.*&，提取到好多内容，写成&token=.*&?也不行，不会写了，这中间有多个&符号

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