Regular expressions are related to Chinese characters. (if it is difficult for the teacher to work on projects, he will not be able to evaluate the scholarship. thank you)

Regular expression collection, which is a problem with Chinese characters. (if it is difficult for the teacher to do the project, he will not be able to evaluate the scholarship. thank you) $ str [& lt; strong & gt; chinese Medicine name & lt; strong & gt;] aiye & nbsp; aiye & lt; p & gt; as in the above code snippet, there are a total of 1265 strings. I have two questions: 1. I have collected aiye & nbsp; aiye. my code is as follows. why not? The content is empty. Preg_match)

$ Str = "【Chinese Medicine name] Aiye
";

As shown in the preceding code snippet, there are a total of 1265 strings.
I have two questions:
1. the Iye aiye is collected. my code is as follows. why not? The content is empty.

Preg_match ('/【Chinese Medicine name <\/strong>] (. *) <\/p>/iUs ', $ str, $ match1 );

2. I want to collect the aiye in English. I want to write code for others.
------ Solution --------------------

$ Str = "【Chinese Medicine name] Aiye
";
Preg_match ('/【Chinese Medicine name <\/strong>] (. *) <\/p>/iUs ', $ str, $ match1 );
Print_r ($ mattings );

Array
(
[0] => 【Chinese Medicine name] Aiye

[1] => aiye
)

Why not?

$ Str = "【Chinese Medicine name] Aiye
";
Preg_match ('/【Chinese Medicine name <\/strong>]. * (\ w +) <\/p>/iUs ', $ str, $ match1 );
Print_r ($ mattings );

Array
(
[0] => 【Chinese Medicine name] Aiye

[1] => aiye
)