Pythonchallenge's C + + learning Chapter-03

Hint that the two sides of a lowercase letter are precisely surrounded by uppercase letters, it should mean that there are not four around and only these are like this: the xxxxxxxxx in the middle should be eligible.

Okay, the title is re, which indicates that a regular expression is used, a string that needs to be processed in the source of the Web page, so this should be the regular expression of the main investigation.

C + + Regular expressions have some class library classes implemented, there are multiple implementations, what they are and comparisons can refer to here

It is intended to use a more famous boost,boost, which seems to include more than just regular expressions, specifically referring to wiki

Directly containing it shows that there is no this file, then it still needs to be installed, I guess installing it may also require some tortuous route

Whatever it is, find out how to install it first.

Installing this has a tool called the NuGet tool.

We're here today, and I'll write tomorrow.

Pythonchallenge's C + + learning Chapter-03