Dustin L. Howett 87c87b51fc Add support for regex search to conhost and Terminal (#17316)
This is broken down into individual reviewable commits.

[Here
is](https://github.com/microsoft/terminal/assets/189190/3b2ffd50-1350-4f3c-86b0-75abbd846969)
a video of it in action!

Part of #3920

(cherry picked from commit ecb56314762dcb9b41e177d05d669b28bbbe1490)
Service-Card-Id: PVTI_lADOAF3p4s4AmhmszgTTM0g
Service-Version: 1.21
2024-09-24 14:36:23 -05:00
..