Window freeze when finding regex

[Tyriar]

Repro:

1. Open https://github.com/microsoft/vscode/blob/739f145f893d090d0a6f48ac457cd27cdf674c89/src/vs/workbench/contrib/terminalContrib/suggest/test/browser/recordings/windows11_pwsh_input_ls_complete_ls.ts
2. Ctrl+f
3. Alt+r (regex mode)
4. Type \[.+,.+,.+,\
5. Type ] 💥 frozen window

[Tyriar]

Non freezing regex that mostly accomplished what I was trying to do: \[([^,]+,){3}[^,]+\]

[rebornix]

Currently we don't have a mechanism to prevent a blocking regex.