Ask PHP Regular expressions

I need to find a paragraph in the HTML code that contains a specific string, such as a test to find out the paragraph.

But in PHP, it will match the first p tag, not the one I need to start a match, so I'm not already set up as a non-greedy mode? Why not?

Reply content:

I need to find a paragraph in the HTML code that contains a specific string, such as a test to find out the paragraph.

But in PHP, it will match the first p tag, not the one I need to start a match, so I'm not already set up as a non-greedy mode? Why not?

Substitution results for newline characters:

Substitution result with no line break:

Send your PHP code, initially suspected that the string in your code is not line-wrapping.

