src/vs/workbench/contrib/notebook/browser/contrib/find/notebookFindReplaceWidget.ts/SimpleFindReplaceWidget/replacePattern
class SimpleFindReplaceWidget:	protected get replacePattern() {
		if (this._state.isRegex) {
			return parseReplaceString(this.replaceValue);
		}
		return ReplacePattern.fromStaticValue(this.replaceValue);
	}