Solution to regular expression angle brackets mismatch

The regular expression angle brackets cannot match the regular expression when the webpage title is extracted in the morning:/& lt; title & gt ;(*.) & lt; \/title & gt;/, but it is not matched. try/& lt; p & gt ;(. *) & lt; \/p & gt. Is it not recognizable if & lt; appears in the difficulty regular expression? the regular expression angle brackets cannot match
When extracting the webpage title in the morning, use the regular expression :/ (*.) <\/Title>/, but the match is always unsuccessful. try/<p> (. *) <\/p>. <Br> is it difficult to identify when a regular expression appears? I don't know where the problem is. <Br> <br/> ------ solution -------------------- <br/>/<title> (. *) <\/title>/s // reversed <br/> ------ solution -------------------- <br/> matching <> <br> *. change. * <br> paste sample code and data <br/> ------ solution -------------------- <br/> <dl class = "code"> PHP code <pre> $ text = "<title> Hello"; Preg_match_all ("/ (. *) <\/Title>/I ", $ text, $ result); var_dump ($ re );