[Patch] Fix empty grouping problem in regex

[Paolo Carlini]

Hi,

On 08/19/2013 12:07 PM, Tim Shen wrote:
> +// 2013-08-08  Tim Shen<timshen91@gmail.com>
> +//
> +// Copyright (C) 2013 Free Software Foundation, Inc.
Before committing, please adjust the date.

Thanks,
Paolo.