Japanese Characters cause the entire string to be detected as a URL

If you run the detector in the text below, it thinks the whole text is a URL.

我进入你的主页很卡顿，也许是你的关注人数或者其他数据太多了，其他人主页没有这么卡顿。来自amethyst客户端

Characters 。 and ， are single characters and are not considered spaces in this library.

Start by reproducing the detector behavior with the Chinese text in the issue, focusing on the 。 and ， characters and the embedded client name. Trace the detector entry point that classifies the entire string as a URL. Done means the text is no longer detected as one URL while valid URLs continue to be recognized.

Written by the indexing model from the issue text.