必须指出的是前期的正则表达式，而非常强大的，也有局限性。

It is important to note up-front that regular expressions, while very powerful, also have limitations.

youdao

必须指出的是前期的正则表达式，而非常强大的，也有局限性。

It is important to note up-front that regular expressions, while very powerful, also have limitations.

youdao