大佬教程收集整理的这篇文章主要介绍了替换 Python 文本中逗号分隔的元素位置，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。
我试图在文本中找到一个逗号分隔的值并随机更改位置。例如
Good morning. I am James. The weather is very nice today. I ate apples,bananas,milk,sanDWich this morning.
And my favorite things are movIEs,music,read books. And my @R_315_10586@l assets are $1,555,`555.
在上面的字符串中，搜索/apple、banana、milk、sanDWich/movIE、music、reading/，随机改变位置。排除此处的数字 ($1,555)。所以最后
Good morning. I am James. The weather is very nice today. I ate bananas,apples,sanDWiches,milk this morning.
And my favorite things are music,movIEs,555.
我想改成这样。元素应该随机变化。
可以先提取逗号分隔的值，拆分，然后使用random.shuffle：
import random,re
s = """
Good morning. I am James. The weather is very nice today. I ate apples,bananas,milk,sandwich this morning.
And my favorite things are movies,music,read books. And my @R_315_10586@l assets are $1,555,555.
"""
vals,base,r = re.findall('(?:[\$\w]+,\s*\w+)+(?:,\s*\w+)*|\w+,',s),re.sub('(?:[\$\w]+,'{}',[]
for val in vals:
if not val.startswith('$') and len(re.split(',\s*',val)) > 2:
new_vals = re.split(',val)
random.shuffle(new_vals)
r.append(','.join(new_vals))
else:
r.append(val)
new_String = base.format(*r)
输出：
Good morning. I am James. The weather is very nice today. I ate bananas,apples,sandwich,milk this morning.
And my favorite things are music,movies,555.
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