src/vs/editor/contrib/find/browser/findController.ts/CommonFindController/saveQueryState
class CommonFindController:	private saveQueryState(e: FindReplaceStateChangedEvent) {
		if (e.isRegex) {
			this._storageService.store('editor.isRegex', this._state.actualIsRegex, StorageScope.WORKSPACE, StorageTarget.USER);
		}
		if (e.wholeWord) {
			this._storageService.store('editor.wholeWord', this._state.actualWholeWord, StorageScope.WORKSPACE, StorageTarget.USER);
		}
		if (e.matchCase) {
			this._storageService.store('editor.matchCase', this._state.actualMatchCase, StorageScope.WORKSPACE, StorageTarget.USER);
		}
		if (e.preserveCase) {
			this._storageService.store('editor.preserveCase', this._state.actualPreserveCase, StorageScope.WORKSPACE, StorageTarget.USER);
		}
	}