每部分的末尾都对两种环境的主要差异作了总结，我将在结束语中总结从使用这两种环境中获得的学习经验。

The end of each section summarizes the main differences between the two environments, and the conclusion will summarize the learning experience I gained using both environments.

youdao

注：使用 regex 末尾的i修饰语可以使模式内的所有匹配都不区分大小写。

Note: The i modifier at the end of the regex makes all matches within the pattern, case-insensitive.

youdao

注：使用 regex 末尾的i修饰语可以使模式内的所有匹配都不区分大小写。

Note: The i modifier at the end of the regex makes all matches within the pattern, case-insensitive.

youdao