python如何按照關鍵詞提取元組中，詞1至詞x位置的字符內容？

var carCompareJson = [[["138168","欄板","138169","廂貨"]]]；

</script>'''

print(re.search(r'carCompareJson(.+)]]]', s).group(1))

# = [[["138168","欄板","138169","廂貨"