src/vs/base/browser/ui/findinput/findInputToggles.ts/RegexToggle/constructor
class RegexToggle:	constructor(opts: IFindInputToggleOpts) {
		super({
			icon: Codicon.regex,
			title: NLS_REGEX_TOGGLE_LABEL + opts.appendTitle,
			isChecked: opts.isChecked,
			inputActiveOptionBorder: opts.inputActiveOptionBorder,
			inputActiveOptionForeground: opts.inputActiveOptionForeground,
			inputActiveOptionBackground: opts.inputActiveOptionBackground
		});
	}