The second icon in the activity bar is “Search”.

Clicking it shows the search interface:

You can click the icons in the Search input box to make the search case sensitive, or to match whole words (not substrings), and also use a regular expression for the search string.

To perform a search, type something and press enter.

Clicking the ▷ symbol on the left enables the “search and replace” tool.

Clicking the 3 dots shows a panel that lets you just include some specific kinds of files, and exclude other files:

Lessons in this unit:

0:	Introduction
1:	The interface
2:	Opening folders
3:	Editing
4:	▶︎ Search
5:	Source control
6:	Extensions
7:	Themes
8:	Recommended extensions
9:	The command palette
10:	Shortcuts
11:	Customization
12:	Terminal