Regular Expression Matching <p> label

Regular Expression Matching & lt; p & gt; label regular :"/ /IU"
I want to match

Test

This label does not match How can I modify this label?

Reply to discussion (solution)

Regular :"/ /IU"
I want to match

Test

This label does not match How can I modify this label?
Not only

Test

Can match,

Test

It must also be matched. Expert help

$ Str ='

Test1

Test2

Test3 ';
Preg_match_all ('@ (.*?) <\/P> @ isU ', $ str, $ match );
Var_dump ($ match );

I don't know if you want to match

Or

Test

?

$ Str ="

Text

111

Test

777

"; Lz indicates whether a string like str matches only

Text

And

Test

Such a label

"/

/IU"
It won't match This is the case.