Anton Lydike 6ad82fcc7d
[FileCheck][Docs] Fix regex for FileCheck variable names (#97301)
This fixes a minor oversight in the FileCheck documentation on what is
considered a valid variable name.

Global variables are prefixed with a `$`, which is explained two
paragraphs below, but this was omitted in the presented regex in this
paragraph.
2024-07-02 11:53:15 +01:00
..
2023-09-19 14:14:27 -07:00