How to modify this regular expression

You guys, please advise how to write a regular expression. Capture a piece of content in the webpage: {code...} the regular expression I wrote is: {code...} can pass through the regular expression tester, but cannot run the result on php. How should I modify it? You guys, please advise how to write a regular expression. Capture a piece of content on a webpage:

Business Address: opposite to the north gate of Sunshine Plaza, Asian Games Village, Chaoyang district, Beijing

My regular expression is:

"
\s*?.*?(.*?)\s*?
"

It can pass through the regular expression tester, but cannot run the result on php. How should I modify it?

Reply content:

You guys, please advise how to write a regular expression. Capture a piece of content on a webpage:

Business Address: opposite to the north gate of Sunshine Plaza, Asian Games Village, Chaoyang district, Beijing

My regular expression is:

"
\s*?.*?(.*?)\s*?
"

It can pass through the regular expression tester, but cannot run the result on php. How should I modify it?

You can solve this problem by using xpath. "// P // span [contains (@ class, 'info-detail')]/text () [1]"
How to write the regular expression.